Anti-Jam Soft Seal Butterfly Valve for Drilling Medium

We can provide free samples (total value under 15 US dollars) if you have a DHL, TNT, UPS or FedEX account or other courier freight collectable account and agree to pay the courier freight. If the total value of samples is more than 15 US dollars, we'd like to ask you to pay for the samples and courier freight. We will send the samples to you after receipt of your payment. If you don't have courier account, you can send your courier to collect samples from our company; or send us the samples cha

Courier freight depends on the quantity, weight and carton size and your area. you can use your courier company.

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The body is made of Cast Iron or Ductile Cast Iron. The stem is 2Cr13 Stainless Steel or Carbon Steel. The disc can be Ductile Iron, SS304, or SS316L. The seat options include NBR, EPDM, PTFE, or Reinforced PTFE.