Cartridge Style Bidirectional Poppet Type Relief Valve
A screw-in, cartridge-style, direct-acting, differential area, poppet-type, bi-directional relief valve.
The GSYF is a direct-acting, dual cross-over relief valve in a single cartridge format. When pressure at either port exceeds the nominal setting value, flow will be transmitted to the opposite port. Back pressure at either port will affect the nominal setting of the opposite port on a 1:1 basis.For correlation purposes, pre-set value will be measured at port 2. Pressure at port 1 will not exceed 150 psi from the port 2 value.
• Adjustments cannot be backed out of the valve.
• Adjustments prohibit springs from going solid.
• Hardened spool and cage for long life.
• Industry-common size.
Operating Pressure: up to 210 bar (3500 psi)
Adjustable Pressure Range: 14 210 bar (200 3000 psi); 2 springs; Pressure is set at port 2
Proof Pressure: 345 bar (5000 psi)
Reseat Pressure: 90% of crack (crack pressure at 0.95 lpm/0.25 gpm)
Maximum Difference for Crack Pressure in Both Directions: 10.5 bar (150 psi)
Flow: up to 60 lpm (16 gpm);
Internal Leakage: when reseat to 80% of crack pressure: 33 ml/minute (2 cu. in./minute) max.
Cycle Limitations: Internal seal life limited to 300,000 cycles in either direction at max. setting
Temperature: -40° to 100°C (-40° to 212°F) with Buna seals; -26° to 204°C (-15° to 400°F) with Fluorocarbon seals
Customized design: Available, as per drawings or samples
OEM/ODM business: Acceptable, please contact us
Quality tested: High pressure testing before delivery
Different threads: BSPP, METRIC,SAE option
Why Choose Us
1. With 30 years experience of hydraulic components in china.
2. Best manufacturing machinery, quality level, best price, best service.
3. We have very good and comprehensive after-sales service.
4. We have no MOQ for clients and tailor0made to clients request for our huge inventory.
Pre-sale service: we provide presales in our first cooperation make clear your situation and give you some advice.
In-sale Service: We will track the production progress and quality, check the exact model and quantity one by one before delivering.
After-sale Service: We will provide a one year free warranty and lifetime maintenance. We will change all questions in 7*24hours if you buy from us.
Eternal Brand, Neutral or Customer's requires label.
Neutral carton or same as the Customer's requires, export standard carton.
All cartons should be packed into the pallets more carefully.
All of the productions are inspected carefully one by one by QC before delivery.
T/T 50% as deposit in advance, the balance should be paid before delivery.100% L/C is acceptable.Western Union and PayPal is acceptable.
Transportation: By sea; By air; By truck; By express (DHL,TNT,UPS,FEDEX)
Trading term: FOB,CFR,CIF
Question 1: Did you accept products customization? Do they need mould fee?
Answer: Yes, we accept products customization. Need mould fee, because products usually need extra mould cost.
But we can return the mould fee when order reach a specific quantity.
Question 2: Can we get free samples?
Answer: The sample expense and freight expense will be borne by the buyers, and will be returned in the following orders.
Question 3: How long is normal production period for a 20-foot shipping container?
Answer: Accoring to the current productive capacity, usually need 3-14 days from producing to delivery. (not including customized products)
Question 4: What is the type of payment?
Answer: Usually, you should prepay 50% of the total amount. The balance should be paid before delivery. (We'll send photos of product to you for checking before delivery)
Question 5: How to guarantee the high quality?
Answer: We have testing department to make sure quality of every product, appearance and pressure test are good.
Looking for ideal Cartridge Style Relief Valve Manufacturer & supplier ? We have a wide selection at great prices to help you get creative. All the Bidirectional Relief Valve are quality guaranteed. We are China Origin Factory of Poppet Type Relief Valve. If you have any question, please feel free to contact us.
Product Categories : Hydraulic Cartridge Valve > Pressure Valves