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Specifications

This section lists the specifications for the 67D Series regulators. Factory specification such as type, maximum 

inlet pressure and outlet pressure are stamped on the nameplate fastened on the regulator at the factory.

available Configurations

Type 67D:

 Direct-operated regulator with aluminum 

body and without internal relief

Type 67DR:

 Aluminum body with internal relief

Type 67DS:

 Stainless steel body without internal relief

Type 67DSR:

 Stainless steel body with internal relief

Type 67DF:

 Aluminum body with filter and without 

internal relief

Type 67DFR:

 Aluminum body with filter and 

internal relief

Type 67DFS:

 Stainless steel body with filter and 

without internal relief

Type 67DFSR:

 Stainless steel body with filter and 

internal relief

Body Size, inlet and outlet Connection Style

1/2 NPT

Maximum inlet Pressure (Body Rating)

(1)

all filtered models:

 250 psig / 17.2 bar

all unfiltered models:

 400 psig / 27.6 bar

outlet Pressure Ranges

See Table 1

Maximum emergency outlet Pressure

(1)

150 psi / 10.3 bar over outlet pressure setting up 

to a maximum of 250 psi / 17.2 bar

Wide-open Flow Coefficients

Main Valve:

 C

g

: 45.24; C

v

: 1.33; C

1

: 35.02

 

internal Relief Valve:

 

C

g

: 1.45; C

v

: 0.045; C

1

: 32.8

 

ieC Sizing Coefficient

X

t

: 0.75

 

Types 67DR, 67DSR, 67DFR and 67DFSR  

internal Relief Performance

Low capacity for minor seat leakage only; other 

overpressure protection must be provided if inlet 

pressure can exceed the maximum pressure rating 

of downstream equipment or exceeds maximum 

outlet pressure rating of the regulator. 

approximate Weights

Types 67D and 67DR:

 1.2 lbs / 0.5 kg

Types 67DF and 67DFR:

 2.0 lbs / 1 kg

Types 67DS and 67DSR:

 2.8 lbs / 1 kg

Types 67DFS and 67DFSR:

 4.6 lbs / 2 kg

Smart Bleed™ Check Valve Setpoint

6 psi / 0.41 bar differential

Temperature Capabilities

(1)

With nitrile (nBR):

Standard Bolting: 

-20 to 180°F / -29 to 82°C

Stainless Steel Bolting:

 -40 to 180°F / -40 to 82°C

Temperature Capabilities

(1)

 (continued)

With Fluorocarbon (FKM):

Polyethylene Filter

(4)

 

(Standard):

 

0 to 180°F / -18 to 82°C

Polyvinylidene (PVDF), Stainless steel or Glass 

Filter (Optional):

 0 to 300°F / -18 to 149°C

With Silicone (VMQ)

(2)

 Diaphragm, 

low Temperature nitrile (nBR) o-rings and 

low Temperature Bolting:

 

-60 to 180°F / -51 to 82°C

With gauges:

 -20 to 180°F / -29 to 82°C

With automatic Drain:

 40 to 175°F / 4 to 79°C

Types 67DF, 67DFR, 67DFS and 67DFSR 

Filter Capabilities

Micron Rating:

Polyethylene Filter

(4)

 

(Standard):

 5 microns

Glass Fiber Filter (Optional):

 5 microns

PVDF or Stainless Steel Filter (Optional):

 40 microns

Spring Case Vent location

Aligned with inlet standard, other positions optional

Drain Valve location

Aligned in the center of the dripwell

Pressure Registration

Internal

options

all Types

• 

Handwheel adjusting screw

• 

NACE International MR0175

 

or 

MR0103

(3)

 construction

• 

Panel mount (includes spring case with 1/4 NPT 

vent, handwheel and panel mounting nut)

• 

Closing cap (available on spring case with 

1/4 NPT vent)

• 

Fluorocarbon (FKM) elastomers for high 

temperatures and/or corrosive chemicals

• 

Silicone (VMQ) elastomers for cold temperatures

• 

Fixed Bleed Restriction

• 

Triple scale outlet pressure gauge (Brass or 

Stainless steel)

• 

Stainless steel stem and valve plug

• 

Pipe plug in second outlet

Types 67DFR and 67DFSR

• 

Smart Bleed internal check valve

Types 67DF, 67DFR, 67DFS and 67DFSR

• 

Stainless steel drain valve

1. The pressure/temperature limits in this Instruction Manual and any applicable standard or code limitation should not be exceeded.

2. Silicone (VMQ) is not compatible with hydrocarbon gas.

3. Product complies with the material requirements of NACE International MR0175 or MR0103. Environmental limits may apply.

4. Do not use in high aromatic hydrocarbon service.

2

67D Series

Summary of Contents for 67D Series

Page 1: ...67D Series regulators Instructions and parts lists for other equipment mentioned in this instruction manual as well as for other 67 Series regulators are found in separate manuals Warning Failure to follow these instructions or to properly install and maintain this equipment could result in an explosion fire and or chemical contamination causing property damage and personal injury or death Fisher ...

Page 2: ...0 41 bar differential Temperature Capabilities 1 With Nitrile NBR Standard Bolting 20 to 180 F 29 to 82 C Stainless Steel Bolting 40 to 180 F 40 to 82 C Temperature Capabilities 1 continued With Fluorocarbon FKM Polyethylene Filter 4 Standard 0 to 180 F 18 to 82 C Polyvinylidene PVDF Stainless steel or Glass Filter Optional 0 to 300 F 18 to 149 C With Silicone VMQ 2 Diaphragm Low Temperature Nitri...

Page 3: ...the regulator the force created by the downstream pressure will lift the diaphragm until the diaphragm is lifted off the relief seat This allows flow through the token relief The relief valve on the Type 67DR 67DSR 67DFR or 67DFSR is an elastomer plug that prevents leakage of air from the downstream to atmosphere during normal operation thereby conserving plant air Smart Bleed Airset In some cases...

Page 4: ...nternal relief valve of the Type 67DR 67DSR 67DFR or 67DFSR does not provide full overpressure protection The internal relief valve is designed for minor seat leakage only If maximum inlet pressure to the regulator exceeds maximum pressure ratings of the downstream equipment or exceeds maximum allowable outlet pressure of the regulator additional overpressure protection is required A regulator may...

Page 5: ...er installation completed and downstream equipment properly adjusted slowly open the upstream and downstream block valve when used while using pressure gauges to monitor pressure Warning To avoid personal injury property damage or equipment damage caused by bursting of pressure containing parts or explosion of accumulated gas never adjust the control spring to produce an outlet pressure higher tha...

Page 6: ...key 16 on the body key 1 as shown in Figure 3 or 4 Push down on the diaphragm assembly to make sure the valve plug key 57 strokes smoothly and approximately 1 16 in 1 6 mm Note In step 5 if installing a control spring of a different range be sure to delete the spring range originally appearing on the label and indicate the new spring range 5 Stack the control spring key 17 and upper spring seat ke...

Page 7: ... galling of stainless steel 7 When all maintenance is complete refer to the Startup and Adjustment section to put the regulator back into operation and adjust the pressure setting Tighten the hex nut key 19 if used and install the closing cap key 33 if used Parts Ordering When corresponding with the local Sales Office about this regulator include the Type number and all other pertinent information...

Page 8: ...r For Type 67D 67DR 67DS or 67DSR Nitrile NBR 10A3803X092 Fluorocarbon FKM 10A3803X112 Silicone VMQ 10A3803X102 15 Soft Seat Nitrile NBR T14055T0012 Fluorocarbon FKM T14055T0022 16 Diaphragm Assembly For Type 67D or 67DF without relief Nitrile NBR T14119T0022 Fluorocarbon FKM T14119T0042 For Type 67DR or 67DFR with relief Nitrile NBR T14119T0012 Fluorocarbon FKM T14119T0032 Silicone VMQ T14119T005...

Page 9: ...d 67DFSR only 0L078343062 48 Spring Retainer For Type 67D or 67DR Aluminum GG03555X012 For Type 67DS or 67DSR Stainless steel GE31803X022 For Type 67DF or 67DFR Zinc plated steel GE31797X012 For Type 67DFS or 67DFSR Stainless steel GE31797X022 49 O ring Plug Nitrile NBR T12946T0012 Fluorocarbon FKM 1C8538X0182 Low Temperature Nitrile NBR 1C8538X0192 50 O ring Stem Nitrile NBR 1H2926X0052 Fluorocar...

Page 10: ...t shown 25 apply LUBRICANT L 18 19 20 7 58 1 3 4 66 12 6 65 2 5 9 48 49 57 11 50 15 3 17 16 L L L L Figure 6 Type 67DFS or 67DFSR Assembly GE31805_B 33 18 20 17 3 16 1 15 4 12 6 9 2 19 7 45 50 11 58 57 3 66 49 48 5 65 L L L L apply lubricant L 10 67D Series ...

Page 11: ...with inlet standard position 3 position 2 position 4 Figure 7 67D Series Optional Panel Mount 40C1728_A 18 19 31 RETAINING RING PUSHER POST WITHOUT RELIEF LOWER SPRING SEAT DIAPHRAGM PLATE PUSHER POST WITH RELIEF DIAPHRAGM Figure 9 Key 16 Diaphragm Assembly B2696 11 67D Series ...

Page 12: ...ile effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and conditions which are available on request We reserve the right to modify or improve the designs or specifications of our products at any time without no...

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