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Emerson Yarway Integral Strainerimpulse 400 Series, Инструкция по эксплуатации и техническому обслуживанию

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2

½"

440
441
460
461

A/B

D

SW, Fl

SW

SW, Fl

SW

400-975 (28-524)
400-775 (28-413)
600-975 (42-524)
600-775 (42-413)

¾"

440
441
460
461

A, B, C

D

SW, Fl

SW

SW, Fl

SW

400-975 (28-524)
400-775 (28-413)
600-975 (42-524)
600-775 (42-413)

1"

440
441
460
461

A, B, C

D

SW, Fl

SW

SW, Fl

SW

400-975 (28-524)
400-775 (28-413)
600-975 (42-524)
600-775 (42-413)

YarwaY

 SERiES 400 intEgRAl StRAinERimpulSE

®

InstructIon, operatIon and maIntenance manual

suFFIx lEttEr IdENtIFICatION

NOtEs

1.  400 psi (28 bar) socket weld end traps are furnished for 300 psi (21 bar) and 150 psi (10.5 bar) ratings.
2.  All flanged end traps are of chrome moly steel construction. Socket weld end traps in the series 440 or 460 

are chrome moly steel construction. Series 441 and 461 socket weld end traps are constructed from carbon 
steel.

size end 
connections

Figure 

number

Internal parts

available end 

connections

rating

psig, °F)
(bar, °C)

piston

disc

SW 

Socket weld ends

Fl 

Flanged ends (special option only)

A, B, C, D  internal part size
E 

navy (Flanges per mil-t-960E)

D 

navy (Flanges per mil-t-960D)

warNINg

Hot discharge from this product may cause severe burns. Discharge must be piped away or directed so 
that persons in the vicinity are not endangered. This product must be isolated, vented and cool to the 
touch before repairing or inspecting. 

Содержание Yarway Integral Strainerimpulse 400 Series

Страница 1: ... without adjustment Piston Valve Traps may be adjusted to operate between 10 psig 7 bar and the minimums stated above by removing the split washer see disassembly section Back pressures higher than the percentages stated above will cause the traps to blow open Where normal system back pressures are high removal of the split washer will also permit operation against back pressures up to 55 of press...

Страница 2: ...r ratings 2 All flanged end traps are of chrome moly steel construction Socket weld end traps in the series 440 or 460 are chrome moly steel construction Series 441 and 461 socket weld end traps are constructed from carbon steel Size end connections Figure number Internal parts Available end connections Rating psig F bar C Piston Disc SW Socket weld ends FL Flanged ends special option only A B C D...

Страница 3: ...Figure 1 Bypasses not recommended except for critical installations If discharge is to a multistation or overhead return put a swing check valve in discharge line to prevent backflooding on shut down Blow the system out before installing the trap Frequent strainer blowdown or cleaning is recommended on a new system Conditions will dictate frequency of blowdown in normal operation Welding socket we...

Страница 4: ... least once a year and more frequently if the trap is not fitted with a strainer blowdown valve 3 When cleaning the strainer it is recommended that the trap be inspected and working parts cleaned if necessary In the event of condensate drainage problems check before opening the trap whether the trouble is due to a clogged line valve broken or in wrong position or dirty strainer requiring blowdown ...

Страница 5: ...ove cap nut Then using wrench and screw driver simultaneously loosen adapter and locknut and unscrew adapter See page 6 for repair kit installation and assembly Parts list Item Description 1 Body 2 Bonnet 3 Cap nut 4 Stud 5 Nut 6 Seat 7 Adapter 8 Disc 10 Locknut 12 Cap gasket 13 Bonnet gasket 14 Seat gasket 15 Screen Steam trap Figure number Renewal kit part number 460 A 461 A 963559 01 460 B 461 ...

Страница 6: ...ly to the torque indicated in Table 1 10 Clean cap and bonnet gasket surfaces install new gasket and lubricate threads Replace cap and tighten per Table 1 Renewal kit disc valve type Installing renewal kit reassembly 1 Clean sealing surfaces and all internal parts 2 Clean studs and nuts and lubricate studs and nut faces with high temperature lubricant 3 Lubricate threads Screw adapter into bonnet ...

Страница 7: ...ranty Right to know laws and OSHA standard 29CFR 1910 1200 Material Safety Data Sheets on the following Yarway products Valves Steam traps and Strainers The OSHA Hazard Communication Standard 29CFR 1910 1200 states that the standard does not apply to articles The standard defines an article as A manufactured item formed to a specific shape or design for a particular use which does not release or o...

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