Home Valve Products Spring Loaded Low Lift External Thread Type Pressure Safety Relief Valve (GAA21F/GAA21H/GAA21W/GAA21Y)
Spring Loaded Low Lift External Thread Type Pressure Safety Relief Valve (GAA21F/GAA21H/GAA21W/GAA21Y)
| Price: |
US $ 1/Piece |
| Trade Terms: |
FOB,CIF,EXW |
| Min Order: |
1/Piece |
| Pay Type: |
T/T,Paypal,Western Union |
Low lift safety valve introduction:1.In low lift valves, the disc only lifts a distance of 1/24th of the bore diameter. The discharge area is determined entirely by the position of the disc, and since the disc only lifts a small amount, the capacities tend to be much lower than those of full or high lift valves.2. Low lift safety valve opening height is between one twentieth to one fortieth times of the flow diameter. GAA21F,GAA21H-C type are used for the equipment and pipeline of the air, ammonia, petroleum gas, etc. medium what the working temperature are less than 200ºC.GAA21W-P,R type are used for the equipment and pipeline of the quality with corrode gas and liquid medium what the working temperature are less than 200ºC .Take for extra pressure protection devices.KGAA21Y type are used for liquefied petroleum gas what the working temperature are less than 100ºC.GAA21H/W/Y Type Spring Loaded Low Lift Safety Valve Main Parts Material| NO. | Parts Name | A21H-C/A21F Material | A21W-P/A21F-P Material | A21Y-R Material |
| 1 | Nipple | 20 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 2 | Nipple Nut | 35 | 2Cr13 | 1Cr18Ni9Ti |
| 3 | Seat | 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 | 50CrVA |
| 8 | Locking Nut | Q235-A | ZG230-450 | 1Cr18Ni9Ti |
| 9 | Guide | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 10 | Adjusting Bolt | Q235-A | 2Cr13 | 1Cr18Ni12Mo2Ti |
| Sealing | "Y"---Stellite, "H"------D507, "W"------Body material |
A21H/W/Y Type Spring Loaded Low Lift Safety Valve Main Dimension.
| Model | DN | do | d | Do | M | d1 | D1 | L | L1 | ≈H |
KA21-16C
A21H-16C
A21H-40
A21W-16P
A21W-40P
KA21-16P | 15 | 12 | 15 | 20 | M27×1.5 | G1/2" | 30 | 35 | 76 | 66 |
| 20 | 16 | 20 | 25 | M33×1.5 | G3/4" | 35 | 40 | 87 | 68 |
| 25 | 18 | 25 | 31 | M39×1.5 | G1" | 40 | 50 | 100 | 105 |
A21Y-64
A21Y-64P
A21Y-100
A21Y-100P | 15 | 10 | 15 | 25 | M39×1.5 | G1" | 44 | 50 | 100 | 66 |
| 20 | 10 | 20 | 31 | M39×1.5 | G1" | 44 | 50 | 100 | 68 |
| 25 | 12 | 25 | 31 | M39×1.5 | G1" | 44 | 50 | 100 | 105 |
| A21W-160/160P | 15 | 8 | 20 | / | M24×2 | G1" | 44 | 50 | 100 | 261 |
| 20 | 8 | 25 | / | M33×2 | G1" | 44 | 50 | 100 | 261 |
| 25 | 8 | 28 | / | M36×2 | G1" | 44 | 50 | 100 | 285 |
| Prod Model: |
GAA21F/GAA21H/GAA21W/GAA21Y |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Category: |
Safety Valve |
| Actuator: |
Automatic |
| Connecting Type: |
Threaded |
| Structure: |
Spring Loaded Closed Low Lift Type |
| Material: |
Cast Steel/Stainless Steel |
| Medium: |
Air, Ammonia, Petroleum Gas.,etc |
| Usage: |
Safety |
| Application: |
Industry |
Yongjia Goole Valve Co., Ltd is a specialized and modernized company. As industrial valves, filters and pipe fittings supplier and project service provider, we are willing to provide you with high quality and perfect fluid control solutions, to create a new intelligent system with high efficient, energy saving and environmental protection characteristics, so as to help you make full use of your energy.
We manufacture and offer:
Safety relief valve(Our hot products, we have price & performance advantages about safety valves, and we can offer you the best price and quality you want): Spring loaded safety valve, high pressure and high temperature safety valve, pilot operated safety valve, DIN Standard Safety Valve, etc...
Pressure Reducing Valve: Pilot Operated reducing valves, Direct Acting and Bellow Type Reducing Valves. etc.
Steam Trap: Free Float steam trap, Lever Ball Float steam trap, thermodynamic and thermostatic steam trap, inverted bucket steam trap, etc.
Besides, Other valves and pipe fittings like DIN Bellow sealed globe valves, Y Type Strainer also can be offered by us.
Our products are widely used in petroleum, chemical, metallurgy, power stationand some other fields. We can also design and manufacture the non-standard products according to Customers' requirements.
Our Products are in strict accordance with ISO 9001 International Quality Management System. We also have a complete inspection system to ensure the quality of our products. From the Market Researching to Designing and developing, from the material purchasing to furnishing, inspection and testing, from delivery to after sale service, every step is processed under the Standard Management. In order to produce the superior industrial valve and let the national-made valve replace imported valve, we always stick to the following principles: Ensure the Quality for Survival, Ensure the Continuous Innovation for Development, and ensure the high efficient service for Customers' satisfaction.
We would like to serve our esteemed customers with superior products, reasonable price and complete sales services. We pledge we will be your most reliable business partner always.
