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What Is A Non Return Valve

what is a non return valve

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API 6D Swing Check Valve Full Opening Cast Steel 2-36 Inch Manufactures
API 6D Swing Check Valve Full Opening Cast Steel 2-36 Inch
Brand Name: KOLINK Certification: PED 2014/68/EU,API 6D and ISO9001
Minimum Order Quantity: 1 Piece Delivery Time: 2-8 Weeks
Payment Terms: T/T, L/C Place of Origin: CHINA
Shanghai Kolink Valve Co., Ltd. [Shanghai,China]
Verified Supplier
Dual-Plate Wafer Check Valve Ductile Iron 2-48 Inch Manufactures
Dual-Plate Wafer Check Valve Ductile Iron 2-48 Inch
Brand Name: KOLINK Certification: PED 2014/68/EU,API 6D and ISO9001
Minimum Order Quantity: 1 Piece Delivery Time: 2-8 Weeks
Payment Terms: T/T, L/C Place of Origin: CHINA
Shanghai Kolink Valve Co., Ltd. [Shanghai,China]
Verified Supplier
Ductile Iron GGG50 Swing Check Valve 2-36 Inch Class150 Manufactures
Ductile Iron GGG50 Swing Check Valve 2-36 Inch Class150
Brand Name: KOLINK Certification: PED 2014/68/EU,API 6D and ISO9001
Minimum Order Quantity: 1 Piece Delivery Time: 2-8 Weeks
Payment Terms: T/T, L/C Place of Origin: CHINA
Shanghai Kolink Valve Co., Ltd. [Shanghai,China]
Verified Supplier
Ductile Iron GGG50 Rubber Flapper Swing Check Valve 2-36 Inch Manufactures
Ductile Iron GGG50 Rubber Flapper Swing Check Valve 2-36 Inch
Brand Name: KOLINK Certification: PED 2014/68/EU,API 6D and ISO9001
Minimum Order Quantity: 1 Piece Delivery Time: 2-8 Weeks
Payment Terms: T/T, L/C Place of Origin: CHINA
Shanghai Kolink Valve Co., Ltd. [Shanghai,China]
Verified Supplier
PN16 - PN420 Industrial Check Valve , Swing Check Valve Standard Swing Disc Type Manufactures
PN16 - PN420 Industrial Check Valve , Swing Check Valve Standard Swing Disc Type
Brand Name: Zaval Certification: API 6D, BS 1868
Model Number: ZCS001 Minimum Order Quantity: 1 piece
Delivery Time: 20 days Place of Origin: China
Hangzhou Zhejing Technology Co., Ltd [China]
Active Member
Welded Flanged Forged Steel Check Valve Rtj Stainless Steel 2inch Dn50 Class 2500 Manufactures
Welded Flanged Forged Steel Check Valve Rtj Stainless Steel 2inch Dn50 Class 2500
Brand Name: VERVO Certification: API/ISO/CE
Model Number: H41W-2500LB-DN50 Minimum Order Quantity: 1
Delivery Time: 30 Payment Terms: T/T, L/C, D/P, Western Union
ZHEJIANG VERVO VALVE CO.,LTD [Zhejiang,China]
Active Member
Cast Forged Steel Check Valve PSB NRV 600LB PSB Tilting Disc 12" A216 WCB API594 DN300 Manufactures
Cast Forged Steel Check Valve PSB NRV 600LB PSB Tilting Disc 12" A216 WCB API594 DN300
Brand Name: VERVO Certification: API/ISO/CE
Model Number: S41-CL600-12INCH Minimum Order Quantity: 1
Delivery Time: 30 Payment Terms: T/T, L/C, D/P, Western Union
ZHEJIANG VERVO VALVE CO.,LTD [Zhejiang,China]
Active Member
Class 2500 DN100 PSB Pressure Seal Tilting Disc Check Valve PN420 A216 WCB Manufactures
Class 2500 DN100 PSB Pressure Seal Tilting Disc Check Valve PN420 A216 WCB
Brand Name: VERVO Certification: API/ISO/CE
Model Number: H41-PN420-DN100 Minimum Order Quantity: 1
Delivery Time: 30 Payment Terms: T/T, L/C, D/P, Western Union
ZHEJIANG VERVO VALVE CO.,LTD [Zhejiang,China]
Active Member
Class 250 PSB Tilting Disc Check Valve PN420 A216 WCB API594 DN250 Cast Steel NBR Manufactures
Class 250 PSB Tilting Disc Check Valve PN420 A216 WCB API594 DN250 Cast Steel NBR
Brand Name: VERVO Certification: API/ISO/CE
Model Number: H71W--2500LB-DN250 Minimum Order Quantity: 1
Delivery Time: 30 Payment Terms: T/T, L/C, D/P, Western Union
ZHEJIANG VERVO VALVE CO.,LTD [Zhejiang,China]
Active Member
300mm Dual Plate Check Valve RTJ API594 PSB Tilting Disc Manufactures
300mm Dual Plate Check Valve RTJ API594 PSB Tilting Disc
Brand Name: VERVO Certification: API/ISO/CE
Model Number: H71Y-2500LB-12INCH Minimum Order Quantity: 1
Delivery Time: 30 Payment Terms: T/T, L/C, D/P, Western Union
ZHEJIANG VERVO VALVE CO.,LTD [Zhejiang,China]
Active Member
PN16 - PN420 Industrial Check Valve , Swing Check Valve Standard Swing Disc Type Manufactures
PN16 - PN420 Industrial Check Valve , Swing Check Valve Standard Swing Disc Type
Brand Name: Zaval Certification: API 6D, BS 1868
Model Number: ZCS001 Minimum Order Quantity: 1 piece
Delivery Time: 20 days Place of Origin: China
Hangzhou Zhejing Technology Co., Ltd [China]
Verified Supplier
15000 Psi Wellhead Check Valve API 6A Drill Spare Parts Manufactures
15000 Psi Wellhead Check Valve API 6A Drill Spare Parts
Brand Name: TR Solids Control Certification: API Certificate, ISO Certificate
Model Number: TR-ZHF Minimum Order Quantity: 1 set
Delivery Time: Within 20 days after deposit Payment Terms: L/C, D/A, D/P, T/T, Western Union
Xi'an TianRui Petroleum Machinery Equipment Co., Ltd. [China]
Verified Supplier
Slim Wafer Type Single Plate Check Valve Swing PN16 ~ PN40 API 6D DN1200 Manufactures
Slim Wafer Type Single Plate Check Valve Swing PN16 ~ PN40 API 6D DN1200
Brand Name: OEM Certification: ISO 9001/ API 6D
Model Number: H74 Minimum Order Quantity: 1pcs
Delivery Time: 1usually within 35 days after received your payment Payment Terms: T/T advance or L/C at sight
Shanghai kangquan Valve Co. Ltd. [Shanghai,China]
Active Member
Natural Rubber Duckbill Check Valve SS 304 Inline Clamps Ends Type Manufactures
Natural Rubber Duckbill Check Valve SS 304 Inline Clamps Ends Type
Brand Name: TongJiang Certification: ISO9001,BV,SGS
Model Number: Duckbill Check Valve Minimum Order Quantity: 5 piece or as the requirment
Delivery Time: 5-15 days Payment Terms: Western Union, MoneyGram, L/C, T/T
Zhejiang TongJiang Holdings Company [Zhejiang,China]
Active Member
Slim Wafer Type Single Plate Check Valve Swing PN16 ~ PN40 API 6D DN1200 Manufactures
Slim Wafer Type Single Plate Check Valve Swing PN16 ~ PN40 API 6D DN1200
Brand Name: OEM Certification: ISO 9001/ API 6D
Model Number: H74 Minimum Order Quantity: 1pcs
Delivery Time: 1usually within 35 days after received your payment Payment Terms: T/T advance or L/C at sight
Shanghai kangquan Valve Co. Ltd. [Shanghai,China]
Verified Supplier
1/4" 3/8" 1/2" Stainless Steel Swing Check Valve Thread End For Chemistry Manufactures
1/4" 3/8" 1/2" Stainless Steel Swing Check Valve Thread End For Chemistry
Brand Name: OEM Certification: ISO 9001/ API 6D
Model Number: H11 / H11P / H11W Minimum Order Quantity: 1pcs
Delivery Time: 1usually within 35 days after received your payment Payment Terms: T/T advance or L/C at sight
Shanghai kangquan Valve Co. Ltd. [Shanghai,China]
Active Member
4 Holes X 4 Inch Swing Gate Check Valve , Oil Swing Type Check Valve Manufactures
4 Holes X 4 Inch Swing Gate Check Valve , Oil Swing Type Check Valve
Brand Name: OEM Certification: ISO 9001/ API 6D
Model Number: H11 / H11P / H11W Minimum Order Quantity: 1pcs
Delivery Time: 1usually within 35 days after received your payment Payment Terms: T/T advance or L/C at sight
Shanghai kangquan Valve Co. Ltd. [Shanghai,China]
Active Member
1/4" 3/8" 1/2" Stainless Steel Swing Check Valve Thread End For Chemistry Manufactures
1/4" 3/8" 1/2" Stainless Steel Swing Check Valve Thread End For Chemistry
Brand Name: OEM Certification: ISO 9001/ API 6D
Model Number: H11 / H11P / H11W Minimum Order Quantity: 1pcs
Delivery Time: 1usually within 35 days after received your payment Payment Terms: T/T advance or L/C at sight
Shanghai kangquan Valve Co. Ltd. [Shanghai,China]
Verified Supplier
4 Holes X 4 Inch Swing Gate Check Valve , Oil Swing Type Check Valve Manufactures
4 Holes X 4 Inch Swing Gate Check Valve , Oil Swing Type Check Valve
Brand Name: OEM Certification: ISO 9001/ API 6D
Model Number: H11 / H11P / H11W Minimum Order Quantity: 1pcs
Delivery Time: 1usually within 35 days after received your payment Payment Terms: T/T advance or L/C at sight
Shanghai kangquan Valve Co. Ltd. [Shanghai,China]
Verified Supplier
2000ML Non-Toxic, Harmless Disposable Urine Bag With Cross Bottom Valve WL2004 Manufactures
2000ML Non-Toxic, Harmless Disposable Urine Bag With Cross Bottom Valve WL2004
Brand Name: Wellmedlab Certification: CE and ISO CERTIFICATE
Model Number: WL2004 Place of Origin: China
NINGBO WELLMEDLAB CO., LTD. [Zhejiang,China]
Site Member
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