Dezhou Rundong Petroleum Machinery Co., Ltd.

Cast & Forged
valve box

valve box

1. alloy steel 35CrMo or 45# steel. 2. JB/T252-81 standards. 3.including suction and discharge. modules are forged using alloy steel 35CrMo or 40CrMnMo. The forging rate is not less than 40:10 and has no crack and impurities.The products entirely meet the JB/T252-81 standards, and...
Valve Box

Valve Box

1.modules are forged 2.using alloy steel 35CrMo modules are forged using alloy steel 35CrMo or 40CrMnMo. The forging rate is not less than 40:10 and has no crack and impurities.The products entirely meet the JB/T252-81 standards, and check-up  them according to III grade...
bi-metal liner used in mud pump

bi-metal liner used in mud pump

1. Liner are made through heat-treating craftwork, with wearing inner sleeve 2. inner sleeve have 28 Cr . Bi-metal Liner Liner are made through heat-treating craftwork,with wearing inner sleeve .liner have 28 Cr . The using time of our liner is above 1000 hours,and is the one time...
upper crosshead guide

upper crosshead guide

1. Name: upper crosshead guide 2. Material: American ASTM A48-83 modified cast iron 3. Used in triplex mud pump power end Upper crosshead guide Crosshead guides are produced by American ASTM A48-83 modified cast iron, used at triplex mud pump power end, having good wearable...



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