Factory Directly NBR FKM PU 50*70*12 UN Seal for Hydraulic Pneumatic Piston Rod
Engineered with triple-layer NBR/FKM/PU composite material, this 50×70×12 UN Seal delivers superior resistance to oils, chemicals, and extreme temperatures (-40°F to 400°F). Ideal for hydraulic/pneumatic systems in construction machinery, agricultural equipment, and industrial presses, it withstands dynamic pressures up to 40 MPa while preventing leakage and contamination.
The self-lubricating PU layer reduces friction by 30%, extending service life by 2x compared to standard seals. FKM elastomer provides ozone/UV resistance for outdoor applications, while NBR ensures compatibility with mineral oils. ISO 1653/21827-certified for precision fit and EN 853 compliance in high-pressure hoses.
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FAQ
Q 1. What’s your payment term?
A: T.T is highly recommended. PayPal, West Union, L/C or any other way is negotiable.
Q 2, What’s the ETD for our orders?
A: Depend on the order quantity. 3-7 days mostly. OEM order 8-30 days according to quantity.
Q 3, What kind of packing do you use?
A: Default packing is carton box loaded with pallets. Customized requires is also acceptable.
Q4, Do your products have any certificate?
A: Yes, we have ISO9001, SGS, REACH. Can also do as customers’ requires.
Q5, What’s your warranty terms?
A: One-year free warranty time for all of our products. Inspection from third part is also ok.
We recommend send picture or video to us to help confirm the problems.
Q6, What kind of materials do you have for batch production?
A: Normal ones are NBR, FKM, FFKM, PU, EDM, FVMQ, other special materials are also OK.
Q7, Why your price is higher than other suppliers we met?
A: Yes, our products are high level on quality.
Lower price products can also be made if you asked for.
Q8, All the products showed on your web available for selling?
A: Yes, 100% sure available. But frankly speaking not all manufactured by ourselves. Some are from our strategic partner who cooperated with us over 10 years.
A: T.T is highly recommended. PayPal, West Union, L/C or any other way is negotiable.
Q 2, What’s the ETD for our orders?
A: Depend on the order quantity. 3-7 days mostly. OEM order 8-30 days according to quantity.
Q 3, What kind of packing do you use?
A: Default packing is carton box loaded with pallets. Customized requires is also acceptable.
Q4, Do your products have any certificate?
A: Yes, we have ISO9001, SGS, REACH. Can also do as customers’ requires.
Q5, What’s your warranty terms?
A: One-year free warranty time for all of our products. Inspection from third part is also ok.
We recommend send picture or video to us to help confirm the problems.
Q6, What kind of materials do you have for batch production?
A: Normal ones are NBR, FKM, FFKM, PU, EDM, FVMQ, other special materials are also OK.
Q7, Why your price is higher than other suppliers we met?
A: Yes, our products are high level on quality.
Lower price products can also be made if you asked for.
Q8, All the products showed on your web available for selling?
A: Yes, 100% sure available. But frankly speaking not all manufactured by ourselves. Some are from our strategic partner who cooperated with us over 10 years.
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