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| Product Name: | Safety Valve | Application: | Water, oil, gas etc., |
|---|---|---|---|
| Size: | DN15 ~DN50 | Pressure: | PN16~PN240, class 150~ 2500 |
| Standard: | DIN / BS / AWWA / JIS | Body: | carbon steel / stainless steel |
| Trim: | Stainless steel / F6 Steillie | ||
| إبراز: | pressure sustaining valve,pump control valve,pump control valve |
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Spring micro rev. Type safety valve with handle(A27H) Use for Pressure Reducing
| Description: | ||||||
| A27H type are used for the equipment and pipeline of water, air, steam etc. medium what the working temperature are less than 200 . A27Y type are used for the equipment and pipeline of the quality with corrode me-dium what the working tempe-rature are less than 200 . Take for extra pressure devices. | ||||||
| Explanation of materials for main parts | ||||||
| NO. | Name of part | A27H Materials | A27W-P Materials | A27W-R Materials | ||
| 1 | Body | HT350 | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | ||
| 2 | Nozzle | 35 | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti | ||
| 3 | Adjusting ring | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | ||
| 4 | Disc | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti | ||
| 5 | Spring | 50CrVA | 50CrVA Coated | 50CrVA Coated | ||
| 6 | Stem | 2Cr13 | 2Cr13 | 1Cr18Ni9Ti | ||
| 7 | Adjusting bolt | 45 | 2Cr13 | 1Cr18Ni9Ti | ||
| 8 | Cap | ZG200-400 | ZG200-400 | 1Cr18Ni9Ti | ||
| Sealing surface of material | D507 Depositing D507 | Co Depositing stellite | ||||
| 10 | Adjusting nut | Q235-A | 2Cr13 | 1Cr18Ni12Mo2Ti | ||
| Sealing surface of material | "Y" Co Depositing stellite, "H" D507 Depositing D507, "W" body | |||||
| Dimensions (mm) | ||||||
| Nominal diameter | Dimensions (mm) | |||||
| DN (mm) | do | Rc | L | L1 | G | H |
| 15 | 10 | 1/2" | 40 | 65 | 1/2" | 135 |
| 20 | 15 | 3/4" | 45 | 70 | 3/4" | 140 |
| 25 | 20 | 1" | 45 | 76 | 1" | 155 |
| 32 | 25 | 11/ " | 55 | 85 | 11/ " | 170 |
| 40 | 32 | 11/ " | 55 | 85 | 11/ " | 310 |
| 50 | 40 | 2" | 67 | 100 | 2" | 322 |
| 65 | 50 | 21/ " | 76 | 112 | 21/ " | 344 |
| 80 | 65 | 3" | 110 | 135 | 3" | 395 |
Capacity : 2000 Nm3/hr
Medium: Feed Gas as per below gas composition
Pipe Size : 4”
Flanged connection ratings 150 # WNRF
Operating pressure : 2 barg
operating temp : 60 deg C
Design temp : 90 deg C
Design pressure : 4 barg
Set Pressure 4 barg
Back pressure : N.A
Relieving Temp : 80 deg C
MOC: Carbon Steel
Sizing for PCV failure
Gas property of Methane
PRVS FOR P305A/B
Ø Body Material: Carbon Steel
Ø Trim material: stainless steel
Ø Inlet rating and connection – 2”X150#
Ø Outlet rating and connection – 2”X150#
Ø Orifice area – F
Ø Operating pressure – 10Kg/cm2
Ø Set pressure – 15Kg/cm2
Ø Fluid – LUBE OIL
Ø Temperature: 45oC
Pressure Relief Valve, Body Material: Carbon Steel, Trim material: stainless steel
The valve instantly opens when the pressure in the pipeline exceeds the preset safe level, thus relieving excessive pressure from the pipeline. When the pressure returns to normal, the valve closes slowly, at an adjustable speed. The valves also can be used to sustain upstream pressure to a preset pressure value.
| Explanation of materials for main parts | ||||
| NO. | Name of part | A21H-C/A21F KA21Y-C Materials | A21W-P/A21F-P KA21Y-P Materials | A21Y-R Materials |
| 1 | Union | 20 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 2 | Union nut | 35 | 2Cr13 | 1Cr18Ni9Ti |
| 3 | Nozzle | 35 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 4 | Body | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 5 | Disc | 2Cr13/2Cr13+PTFE | 1Cr18Ni9Ti/1Cr18nI9Ti+PTFE | 1Cr18Ni12Mo2Ti |
| 6 | Spring washer | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 7 | Spring | 50CrVA | 50CrVA Coated | 50CrVA Coated |
| 8 | Locking nut | Q235-A | 2Cr13 | 1Cr18Ni9Ti |
| 9 | Spring guide | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 10 | Adjusting nut | Q235-A | 2Cr13 | 1Cr18Ni12Mo2Ti |
| Sealing surface of material | "Y" Co Depositing stellite, "H" D507 Depositing D507, "W" body | |||
| Dimensions (mm) | ||||||||||
| Type | (DN) | do | d | Do | M | d1 | D1 | L | L1 | H |
|
Nominal diameter |
||||||||||
| KA21Y-16C A21H-16C A21H-40 | 15 | 12 | 15 | 20 | M27 1.5 | G1/2" | 30 | 35 | 76 | 66 |
| A21W-16P A21W-40P KA21Y-16P | 20 | 16 | 20 | 25 | M33 1.5 | G3/4" | 34 | 40 | 87 | 68 |
| 25 | 18 | 25 | 31 | M39 1.5 | G1" | 40 | 50 | 100 | 105 | |
| A21Y-64 | 15 | 10 | 15 | 25 | M39 1.5 | G1" | 44 | 50 | 100 | 66 |
| A21Y-64P A21Y-100 | 20 | 10 | 20 | 31 | M39 1.5 | G1" | 44 | 50 | 100 | 68 |
| A21Y-100P | 25 | 12 | 25 | 31 | M39 1.5 | G1" | 44 | 50 | 100 | 105 |
| A21W-160 | 15 | 8 | 20 | / | M24 2 | G1" | 44 | 50 | 100 | 261 |
| /160P | 20 | 8 | 25 | / | M33 2 | G1" | 44 | 50 | 100 | 261 |
| 25 | 8 | 28 | / | M36 2 | G1" | 44 | 50 | 100 | 285 | |
| Explanation of materials for main parts | ||||
| NO. | Name of part | A28H Materials | A28Y-P Materials | A28Y-R8 Materials |
| 1 | Body | HT200 | ZG1Cr18Ni9Ti | CF8M |
| 2 | Nozzle | 35 | ZG1Cr18Ni9Ti | CF8M |
| 3 | Adjusting ring | 2Cr13 | 1Cr18Ni9Ti | 316 |
| 4 | Disc | 2Cr13 | 1Cr18Ni9Ti | 316 |
| 5 | Spring | 50CrVA | 50CrVA Coated | 50CrVA Coated |
| 6 | Stem | 2Cr13 | 2Cr13 | 316 |
| 7 | Adjusting bolt | 45 | 2Cr13 | 316 |
| 8 | Cap | ZG200-400 | ZG200-400 | CF8M |
| Sealing surface of material | D507 | Co | ||
| Depositing D507 | Depositing stellite | |||
| 10 | Adjusting nut | Q235-A | 2Cr13 | 1Cr18Ni12Mo2Ti |
| Sealing surface of material | "Y" Co Depositing stellite, "H" D507 Depositing D507, "W" body | |||
اتصل شخص: Mr. Steve
الهاتف :: 0086-21-57626759, 0086-13818096733
الفاكس: 86-21-57617555
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