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Factory address:Economic Development Zone, LuoTian County, Huanggang City, HuBei Prov., China 438000.
Office address: Room 701, Block 3, WeiLaiZhiGuang, Guanggu Avenue No.3 , Hongshan District, Wuhan, Hubei Pro., China430074
Relay Valve
316 stainless steel construction. May be used in pneumatic or hydraulic systems. Standard Buna N seals , other seals available. Type to NACE MR-0175 available. Operating force is small.
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Relay Valve
Features
316 stainless steel construction.
May be used in pneumatic or hydraulic systems.
Standard Buna N seals , other seals available.
Type to NACE MR-0175 available.
Operating force is small.
Description
The 'MRR' series relays are multi-pressure control valve for production control and safety systems. It functions as a manual reset, pilot operated, normally closed, block and bleed valve.
The 'ARR' indicator relay is a multi-pressure control valve for productioncontrol and safety systems. It functions as an automatic reset, pilot operated, normally closed, block and bleed valve.
Red indicates that there is no pressure in the pilot chamber. Green indicates that pilot chamber is pressurized.
Structure and Specifications
Work Pressure | MAX. 150psig( 10.3bar) | Pilot pressure | 25~ 150psig( 1.6~ 10.3bar) pneumatic valve 40~ 150psig(2.8~ 10.3bar) hydraulic valve |
Wetted Material | 316SS, X-750 | ||
Seal Material | Buna N standard | Work Temperature | -40~212 ° F (-40~ 100。C )standard valve |
Cv | 1.3 |
in. (mm) | |||
Size A | 1.28 (32.5) | Size B | 1.36 (34.5) |
Size C | 2.35 (59.6) | Size C1 | 2.05(52) |
Size H | 6.28 (159.5) | Size H1 | 7.56(192) |
Size H2 | 7.28(185) | Valve Ports | 1/4" NPT Female NPT |
Panel hole | 1 (25.4) | Pilot Port | 1/8" NPT Female NPT |
Product Order Information
Ordering code | Valve Type | Port | Valve Type | With Lock | Media | Body Material |
MRR-SS-L-R(B)-P | Manual | 1/4" FNPT | 3-way, NC | YES | Pneumatic | 316SS |
MRR-SS-O-R(B)-P | Manual | 1/4" FNPT | 3-way, NC | No | Pneumatic | 316SS |
MRR-SS-L-R(B)-H | Manual | 1/4" FNPT | 3-way, NC | YES | Hydrsulic | 316SS |
MRR-SS-O-R(B)-H | Manual | 1/4" FNPT | 3-way, NC | No | Hydrsulic | 316SS |
MPR-SS-L-R(B)-P | Bypass | 1/4" FNPT | 3-way, NO | YES | Pneumatic | 316SS |
MPR-SS-L-R(B)-H | Bypass | 1/4" FNPT | 3-way, NO | YES | Hydrsulic | 316SS |
ARR-SS-L-D-P | Manual | 1/4" FNPT | 3-way, NC | YES | Pneumatic | 316SS |
ARR-SS-O-D-P | Manual | 1/4" FNPT | 3-way, NC | No | Pneumatic | 316SS |
ARR-SS-L-D-H | Manual | 1/4" FNPT | 3-way, NC | YES | Hydrsulic | 316SS |
ARR-SS-O-D-H | Manual | 1/4" FNPT | 3-way, NC | No | Hydrsulic | 316SS |
“ EX I ” indicates Explosion-proof Intrinsic Safety ,while “ EXD ” indicates Explosion-proof Flameproof Enclosure. R stands for a red handle , B stands for a black handle ,and D stands for indicator.
If the product complies with the NACE MR - 0175 standard , add " N" after the product code.
N1 indicates compliance within the temperature range of - 18°C to 120 ° C.
N2 indicates compliance within the temperature range of - 40°C to 120 ° C.
Other sizes and types available upon request. For special requirements , please contact us.
Repair Kit
Repair kit:Contains all seals.
Maintenance Kit Order Code: KIT- MR R- D - H -N1- EXI
MR | D | H | N1 | EXI | |||||
Code | Valve Type | Code | With Indicator | Code | Medium | Code | NACE MR-0175 | Code | Location information |
MR | Manual | O | No | H | Hydrsulic | None | No | None | No |
MP | Automatic | D | Yes | P | Pneumatic | N1 | -18~120°C, Yes | EXI | EXI |
AR | Automatic |
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| N2 | -40~120°C, Yes | EXD | EXD |
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Mobile/Whatsapp:+86 13329942980
Email:sale@hydrstar.com
HYDR-STAR Fluid Control Company Limited
Factory address:
Economic Development Zone, LuoTian County, Huanggang City, HuBei Prov., China 438000.
Office address: Room 701, Block 3, WeiLaiZhiGuang, Guanggu Avenue No.3 , Hongshan District, Wuhan, Hubei Pro., China430074
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