about us

» Home » About us » FAQ

Q1: What products does KASIN.JELTON supply?

A: We specialize in manufacturing ring joint gaskets (RTJ gaskets) for oil & gas, wellhead, valve and pipeline systems. We offer R, RX, BX series ring gaskets complying with API 6A standard. Custom sizes and material options are available.

Q2: What certifications do you have?

A: We hold ISO 9001, TS271080K and China Valve Association certification. Our RTJ gaskets are fully manufactured to API 6A specifications for high pressure & high temperature service.

Q3: What materials are available for ring joint gaskets?

A: Available materials include carbon steel, 304, 316L, F304, F316L, Inconel, Monel, Hastelloy and other alloy grades. Material selection depends on working pressure, temperature and medium.

Q4: What is the delivery time?

A: Standard sizes: 3–7 working days. Custom non-standard sizes: 7–15 working days, subject to order quantity and material availability.

Q5: Can you make custom ring joint gaskets?

A: Yes. We accept custom drawings, non-standard dimensions and special material requirements. Please send us your drawing or technical parameters for quotation.

Q6: What pressure classes do your RTJ gaskets support?

A: Our ring joint gaskets cover Class 150, 300, 600, 900, 1500, 2500, up to API 6A high pressure ratings for wellhead applications.

Q7: Do you provide samples?

A: Yes, samples are available. Sample cost and freight will be charged, and sample cost can be deducted from your bulk order later.

Q8: What are your payment terms?

A: We accept T/T (Telegraphic Transfer). 30% deposit before production, balance before shipment. Other terms can be negotiated for long-term cooperation.

Q9: What packaging do you use?

A: Each gasket is protected by anti-rust oil and plastic film, packed in wooden cases for sea or air shipment to avoid damage during transit.

Q10: What is your MOQ?

A: Small orders are acceptable. MOQ depends on size and material. Please contact us for details.

Q11: Which markets do you mainly export to?

A: Our products are widely exported to the Middle East, Europe, Southeast Asia, Africa and America, serving oilfield, pipeline and valve engineering projects.

Q12: Can you offer technical support?

A: Yes. Our engineering team can assist with gasket type selection, material recommendation and flange mating guidance.