WECO Union Adapter Flanges are widely used in connection of different connectors for the oilfield wellhead, manifold, frac
equipment etc. Our field-proven Weco Flanges are fully designed, manufactured, and tested in accordance with API 6A and API Spec
Q1 standards. The standard material is high quality integral forged AISI 4130 alloy steel. Other material are available upon
request.OIL produces and supplies Weco Union Adapter Flanges in both Female and Male halves. Weco sizes range from 1-13/16" all the way up to 4-1/16" with varying working pressures starting at 2000PSI to 15000PSI.Specifications:
Flange Size: 1-13/16", 2-1/16",
2-9/16", 3-1/16", 3-1/8", 4-1/16", 5-1/8" or Customized
Weco Size: 1", 2", 3", 4"
Weco Connection: Fig 1502, Fig 602, Fig 1002
Working Pressure: 2000PSI, 3000PSI, 5000PSI, 10000PSI, 15000PSI
Material: AISI 4130(integral forged) H2S NACE MR 0175, SUS304, SUS316 or as per customers' requirements
Temp Class: L-U
Material Class: BB, CC, DD, EE, FF
Product Specification Level: PSL1, PSL2, PSL3, PSL4
Performance Requirement: PR1, PR2
Standards: API 6A, NACE MR0175, ISO 9001, ISO14001

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1) How can I place order?
A: You can contact us by email about your order details, or place order on line.
2) How can I pay you?
A: After you confirm our PI, we will request you to pay. T/T and Western Union are the most usual ways we are using.
3) What's the order procedure?
A: First we discuss order details, production details by email or TM. Then we issue you an PI for your confirmation. You will be requested to do pr -epaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 15-25days if we don't have the items in stock. Before production has been finished, we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you.
4)How do you take care when your clients received defective products?
A: replacement. If there are some defective items, we usually credit to our customer or replace in next shipment.
5)How do you check all the goods in the production line?
A: We have spot inspection and finished product inspection. We check the goods when they go into next step production procedure.