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Type 99

18

Pilot and Tubing Parts

(3)

 Low or High 

Pressure Pilot (Figure 9) (continued)

Key  Description                                                    Part number

  33*   O-ring Seal

 

  Nitrile (NBR)                                                             1B885506992

 

  Fluorocarbon (FKM)                                                  1B8855X0012

  34   Connector

 

  Brass                                                                         1D692214012

 

  316 Stainless steel                                                   15A6002X602

  37   Yoke

 

  Zinc 

1D662544012

  38*   Relay Orifice, Stainless steel

 

  For use with 25 psi (1,72 bar) maximum allowable

 

    pressure drop actuator main spring                         1D373735032

 

  For use with all other main springs                          1C520135032

 

  For use with oxygen service                                     1N162314042

  39   Relay Valve Body, Cast iron                                       2J581919012

  40*   Lower Relay Diaphragm

 

  Low pressure pilot

 

    Nitrile (NBR)                                                          1B886002052

 

    Fluorocarbon (FKM)                                                     1N536102332

 

  High pressure pilot

 

    Nitrile (NBR)                                                          1B894202192

 

    Fluorocarbon (FKM)                                                     1N162702302

  41   Lower Relay Diaphragm Plate, Plated steel

 

  Low pressure pilot                                                     1B989425072

 

  High pressure pilot                                                    1D558325072

  42   Spring Seat, Plated steel

 

  Low pressure pilot                                                     1B886225072

 

  High pressure pilot                                                    1D558525072

  43   Control Spring, Plated steel

 

  For use only with LD low pressure pilot

 

    0 to 4-inches w.c. (0 to 10 mbar), Orange                1B558527052

 

   

3 to 12-inches w.c. (7 to 30 mbar), Silver               1C680627222

 

  For use with all low pressure pilots

 

    0.25 to 2 psig (0,02 to 0,14 bar), Red                        1B886327022

 

    1 to 5 psig (0,07 to 0,34 bar), Yellow                        1J857827022

 

    2 to 10 psig (0,14 to 0,69 bar), Blue                         1B886427022

 

    5 to 15 psig (0,34 to 1,03 bar), Brown                      1J857927142

 

    10 to 20 psig (0,69 to 1,38 bar), Green                    1B886527022

 

  For use with high pressure pilot, Green stripe           0Y066427022

  44   Spring Case, Cast iron

 

  Low pressure pilot                                                     1B983919012

 

  High pressure pilot, Standard                                   1B984119012

 

  For use with closing cap (not shown)                        1H232619012

  45   Adjusting Screw

 

  Low pressure pilot, Standard, Zinc                             1B537944012

 

  Handwheel-style, Plated steel                                   1J496428982

 

  O-ring seated handwheel assembly                          1R759414012

 

  High pressure pilot, Standard, Plated steel                1A279128982

 

  For use with closing cap 1H236514012                     1J881524102

  46   Closing Cap

 

  For use with standard low pressure pilot, Plastic   T11069X0012

 

  For use with handwheel-style low pressure

 

    pilot, Brass (not shown)  

1A926114012

 

  For use with O-ring sealed handwheel 

1R759314012

 

  For use with high pressure pilot with spring

 

    case 1H232619012, Brass (not shown)  

1H236514012

  47   Cap Screw, Plated steel (8 required)  

1B989624052

  48*   Relay Disk Assembly

 

  Brass/Nitrile (NBR)  

1B8868000A2

 

  303 Stainless steel/Nitrile (NBR)  

1B8868000B2

Key  Description                                                    Part number

  48*   Relay Disk Assembly (continued)

 

  Brass/Fluorocarbon (FKM)  

1B8868X0012

 

  303 Stainless steel/Fluorocarbon (FKM)  

1B8868X0022

  49*   Bleed Valve Spring, Stainless steel

 

  For use with low pressure pilot with relay orifice 

 

    1D373735032 or bleed valve 1H951635132  

1E643637022

 

  For use with all low and high pressure pilots

 

    Inlet pressure up to 250 psig (17,2 bar)  

1C911537022

 

    Inlet pressure over 250 psig (17,2 bar)  

1N859137022

  50*   Bleed Valve, Stainless steel

 

  For use with LD low pressure pilot with bleed

 

    valve spring 1E643637022  

1H951635132

 

  For use with all low and high pressure pilots  

1D986735132

  51   Diaphragm Nut

 

  Brass  

1B989514012

 

  316 Stainless steel  

1B989535072

  52*   Bleed Orifice, 316 Stainless steel  

1B887335032

  53   Loading Tubing

 

  Copper  

1J4928000A2

 

  316 Stainless steel  

0500213809W

  54   Connector

 

  Brass  

1H628114012

 

  316 Stainless steel  

15A6002X992

  55   Pipe Nipple

 

  Plated steel (1 required with copper tubing 

 

    and 2 required with aluminum tubing)  

1C488226232

 

  316 Stainless steel  

1C488238982

  59   Pipe plug, Steel (not shown)  

1A369224492

  60   Type Y602-1 Vent Assembly  

27A5516X012

  68   Spring Seat

 

  Handwheel-style low pressure pilot,

 

    Steel, (not shown)  

1J618124092

 

  High pressure pilot, Zinc  

16A9812X012

  71*   Closing Cap Gasket (for use only with 

 

  low pressure pilot), Neoprene (CR) 

1P753306992

  72   Type Y602-1 Vent Assembly (for use only with 

 

  standard high pressure pilot spring case),

 

    Zinc/18-8 Stainless steel  

17A6570X012

  78   Handwheel (for use only with handwheel-style

 

  low pressure pilot), Zinc  

1J496144012

  79   Machine Screw (for use only with handwheel-style

 

  low pressure pilot), Plated steel  

16A5763X012

  80   Lockwasher (for use only with handwheel-style

 

  low pressure pilot), Steel  

1A352332992

  81   O-ring (for use only with O-ring sealed

 

  handwheel assembly)  

1D541506992

  82   Hex nut

 

  For use only with O-ring sealed

 

    handwheel assembly 

1A351124122

 

  For use with high pressure pilot, Plated steel  

1A352224122

  114*  Gasket (for use only with high pressure pilot

 

  with spring case 1H232619012), Steel/

 

    Composition (not shown)  

1B487099202

  115   Adaptor (for use only with high pressure pilot with

 

  spring case 1H232619012), Steel (not shown) 

1J881624092

  132   Pilot Cover (used only with complete replacement

 

  pilot assembly for field conversion), Cast iron  

2C518619012

  152  Drive Screw, 18-8 Stainless steel

 

  (4 required for low pressure pilot and

 

    6 required for high pressure pilot)  

1A368228982

  154   Drive Screw (for use only with low pressure

 

  pilot), 18-8 Stainless steel (2 required)  

1A368228982

*Recommended Spare Parts

3.  An entire pilot assembly may be ordered from your local Sales Office.

     by specifying a Type 61L, a 61H, or a 61HP pilot for field conversion.

Summary of Contents for 99

Page 1: ... H110 pop relief valve The pilot supply regulator reduces inlet pressure to a usable 200 psig 13 8 bar for the extra high pressure pilot This regulator comes standard with O ring seals on the guide bushing and valve carrier key 26 Figure 7 to keep main valve body outlet pressure from interfering with outlet pressure in the lower casing assembly key 29 Figure 9 Specifications Warning Since a pilot ...

Page 2: ...ber Color Code Wire Diameter Inches cm Free Length Inches cm 61L 400 27 6 2 to 4 inches w c 3 to 12 inches w c 0 25 to 2 psig 1 to 5 psig 2 to 10 psig 5 to 15 psig 10 to 20 psig 5 to 10 mbar 7 to 30 mbar 0 02 to 0 14 bar 0 07 to 0 34 bar 0 14 to 0 69 bar 0 34 to 1 03 bar 0 69 to 1 38 bar 1B558527052 1C680627222 1B886327022 1J857827022 1B886427022 1J857927142 1B886527022 Orange Unpainted Red Yellow...

Page 3: ...he main diaphragm E through the downstream control line Figure 2 Schematic of Type 99 Regulator with Type 61L Low Pressure Pilot In operation assume the outlet pressure is less than the setting of pilot control spring A The top side of pilot diaphragm assembly F will have a lower pressure than the setting of spring A Spring A forces the diaphragm head assembly upward opening the relay or inlet ori...

Page 4: ...his diaphragm opposes the force of the pilot control spring A Monitoring Systems Monitoring regulators serve as overpressure protection devices to limit system pressure in the event of open failure of a working regulator feeding the system Two methods of using Type 99 regulators in monitoring systems are as follows Working Monitor On a working monitor installation Figure 4 the control line of the ...

Page 5: ...must have an O ring seal on the valve carrier assembly This seals off the leak path that otherwise would let line pressure ahead of the working regulator inlet try to close the wide open monitoring regulator Figure 4 Working Monitor Installation Figure 5 Typical Wide Open Monitor Installations Flexible arrangement that permits wide open monitor to be either upstream or downstream Flexible arrangem...

Page 6: ...r should be inspected for damage periodically and after any overpressure condition Warning The 1000 psig 69 0 bar maximum inlet regulator must not be used on hazardous gas service unless the Type H110 relief valve can be vented into a safe area If vented gas can accumulate and become a hazard in enclosed conditions such as in a pit underground or indoors the relief valve must be repiped to carry t...

Page 7: ...g key 24 Figure 9 or 11 However as long as the 1 4 inch NPT tapping in the main valve body is plugged this tubing may be disconnected from both the main valve and filter assembly key 75 Figure 9 in order to install a pilot supply line from a desired remote location into the filter If the maximum pilot inlet pressure will be exceeded by main valve pressure install a separate reducing regulator if n...

Page 8: ...e 3 Slowly open the downstream block valve 4 Slowly close the bypass valve if any 5 Check all connections for leaks The only adjustment on the regulator is the reduced pressure setting affected by the pilot control spring key 43 Figure 9 or 11 Remove the closing cap assembly key 46 Figure 9 and turn the adjusting screw key 45 Figure 9 or 11 Turning the adjusting screw clockwise into the spring cas...

Page 9: ...9 away from the valve body key 17 Figure 9 with a disk or O ring seat the valve carrier must be pulled out of the lower casing to gain access to the O ring Another O ring held captive by the pressed in bushing is part of the lower casing assembly on a stem seal unit and normally does not require replacement 8 If clogging is suspected in the upstream regulator passages disconnect the pilot supply t...

Page 10: ...d in the body Note Before putting the relay spring case over the diaphragm make certain the yoke is square with respect to the prong in the relay body The yoke can bind on the prong if it is not square 7 Use care in reassembly to be sure the edges of the diaphragms slip properly into the recess on the lower casing and relay valve body With the pilot in place check to see if it can be rocked If it ...

Page 11: ...anging from a low to high pressure pilot or vice versa everything below the lower pilot diaphragm key 40 Figure 9 except the cap screws and the hex nut keys 47 and 13 Figure 9 will need to be replaced Actuator and main valve parts may remain unchanged unless a change in service conditions requires a change in seat construction main spring or main spring seat See the Parts List sections for obtaini...

Page 12: ...orifice R99HPX00012 1 1 8 inch 28 6 mm orifice R99HPX00022 Travel Indicator Assembly Figure 6 Key Description Part Number Complete Assembly includes individual parts listed below 20A7146X0C2 1 Spring Case Cast iron 2L296219012 101 Indicator Stem Adaptor Aluminum 1R395909012 102 Indicator Cap Aluminum 1L290809012 103 Indicator Stem Aluminum 1L296509022 104 Disk Nut Plastic 1F730506992 105 Machine S...

Page 13: ... 1C2546X0012 2 inch DN 50 CL125 FF flanged Cast iron 2D986519012 2 inch DN 50 CL250 RF flanged Cast iron 2D986619012 Key Description Part Number 17 Valve Body continued 2 inch DN 50 CL150 RF flanged Steel 2E275622012 2 inch DN 50 CL300 RF flanged Steel 2E275722012 18 Holder for Type 99 regulator Disk seat Brass 1B884314012 316 Stainless steel 1B884335072 O ring Seat 7 8 inch 22 2 mm orifice Brass ...

Page 14: ...omplete Regulator showing Type 61L pilot and disk seat 1 4 inch 6 35 mm vent shown 90 counterclockwise from normal pts pts lub AS pts pts control line tap other tap 180 opposite pts AS pts AS AS AS Apply ANti seize compound pts Apply pipe thread sealant LUB Apply Lubricant o ring set detail DJ6642 DJ6642_B ...

Page 15: ...Type 99 15 Figure 9 Type 99 Regulator with Type 61L Low or 61H High Pressure Pilot continued Pilot Relay and cover Assembly High Pressure Pilot Parts C0289 1C 30A6800 ...

Page 16: ...d 1B8850X0012 Cotter Pin for Stainless steel trim 316 Stainless steel 2 required 1A866537022 Key Description Part Number 29 Lower Casing Cast iron Standard 4B983719012 For use with optional protector spring washer and machine screw keys 61 62 and 63 2N379419012 Lower Casing Assembly for use with O ring stem seal Cast iron with SST guide bushing Complete with Nitrile NBR O ring 2R7230000A2 Complete...

Page 17: ... Key Description Part Number 13 Hex Nut Plated steel 13 required 1A340324122 23 Elbow 2 required Brass 15A6002X292 316 Stainless steel 15A6002X612 24 Pilot Supply Tubing disk or O ring main valve seat Copper 1D8793000A2 Copper for oxygen service 0500201701W 316 Stainless steel 0500213809W 30 Upper Relay Diaphragm Nitrile NBR 1B885202052 Fluorocarbon FKM 1N162802332 31 Upper Relay Diaphragm Plate P...

Page 18: ...carbon FKM 1B8868X0012 303 Stainless steel Fluorocarbon FKM 1B8868X0022 49 Bleed Valve Spring Stainless steel For use with low pressure pilot with relay orifice 1D373735032 or bleed valve 1H951635132 1E643637022 For use with all low and high pressure pilots Inlet pressure up to 250 psig 17 2 bar 1C911537022 Inlet pressure over 250 psig 17 2 bar 1N859137022 50 Bleed Valve Stainless steel For use wi...

Page 19: ...mber 34 Connector 3 required For use with all standard regulators Brass 1D692214012 316 Stainless steel 15A6002X602 For use with 1000 psig 69 0 bar maximum inlet regulator Steel 15A6002XW22 35 Cap Screw Plated steel 6 required 1A930424052 36 Elbow Plated steel 1B860828992 37 Yoke Cap 416 Stainless steel 13A9837X012 38 Inlet Orifice 303 Stainless steel 1D318135032 39 Pilot Body Cast iron 33A9845X01...

Page 20: ...regulators Type 61HP Extra High Pressure Pilot Figure 12 continued Key Description Part Number 45 Adjusting Screw Plated carbon steel Standard 1C216032992 47 Cap Screw Plated steel 8 required 1B787724052 49 Relief Valve Spring 316 Stainless steel 1C374037022 50 Relief Valve Plug 316 Stainless steel 1K377535162 52 Bleed Orifice Brass 1B329014012 53 Loading Tubing For use with all standard regulator...

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