1、STAINLESS STEEL COUPLINGS

300PSI

600PSI

Size

3/4"-12

Rated Working Pressure

300 PSI (21bar)

600 PSI(42bar)

Housing material available in:

 

·SuperDuplex SS (PREN>40), CE3MN, conforming to ASMT A995 Gr5A

·Duplex/Superduplex stainless steel type CE8MN, conforming to ASTM A-890 Grade 2A

·Duplex/Superduplex stainless steel type CD3MN, conforming to ASTM A995 Gr4A

·316 stainless steel Grade CF8M, Conforming to ASTM A 351, A 743 & A 744.

·304 stainless Steel

Gaskets

 EPDM rubber, suitable for cold water, hot water, rare acid, oil-free air and multiple chemical product (-50~150℃).It is not suitable for medium like petroleum. 

Bolts/Nuts

Round-head, square-neck, type 316 stainless steel bolts and heavy hex nuts conform to ASTM F-593, Nuts Material – Available in SS316 and Silicon Bronze

 

  1000PSI

  1200PSI

 Sizes

3/4 to 12

 Rated Working Pressure

1000 PSI (70bar)

1200 PSI (83bar)

  Housing material   available in:

 

·SuperDuplex SS (PREN>40), CE3MN, conforming to ASMT A995 Gr5A

·Duplex/Superduplex stainless steel type CE8MN, conforming to ASTM A-890 Grade 2A

·Duplex/Superduplex stainless steel type CD3MN, conforming to ASTM A995 Gr4A

·316 stainless steel Grade CF8M, Conforming to ASTM A 351, A 743 & A 744.

·304 stainless Steel
 

  Gaskets

EPDM rubber, suitable for cold water, hot water, rare acid, oil-free air and multiple chemical product (-50~150℃).It is not suitable for medium like petroleum.

   Bolts/Nuts

Round-head, square-neck, type 316 stainless steel bolts and heavy hex nuts conform to ASTM F-593, Nuts Material – Available in SS316 and Silicon Bronze

 

2、PLASTIC FIEXIBLE COUPLING

100PSI

250 PSI

Plastic pressure coupling, mainly designed for brackish, M/F, U/F, and N/F, membrane filtration, permeate, waste water and other low pressure applications. With good toughness and strength, excellent corrosion resistance. 

Sizes

3/4”-4”

3/4”-2.1/2”

Housing

 

Reinforced ABS

Reinforced Nylon

Gaskets

EPDM Rubber 

EPDM Rubber

Bolts/Nuts/Washers

Carbon Steel

Carbon Steel

304 Stainless Steel

304 Stainless Steel

316 Stainless Steel

316 Stainless Steel

 

3、CARBON STEEL COUPLING

250PSI Ductile Iron Low Pressure Flexible Couplings

 250PSI Carbon steel corrosion and low pressure coupling, especially designed for low pressure pipeline system.
Anti-corrosion coating material, resistan most level chemical  substance (for example: fungicides, oxidizing agents, flocculating agents and softener, membrane cleaning agent).  

Sizes-Inches/DN & Rated Working Pressure

3/4 inch to 5 inch (DN20 to DN125), 250PSI (18bar)
6 inch to 12 inch (DN150 to DN300),200PSI (16bar)

 Housing

□ hot-dip galvanizing 
□ electrostatic spray
□ plating Dacromet
□ Teflon (PTFE)
□ nylon

Bolts & Nuts

Round-head, elliptoid-neck, carriage bolts, type carbon iron covered with zinc or dacromet. 

Gaskets

EPDM rubber, suitable for cold water, hot water, rare acid, oil-free air and multiple chemical product (-50~150℃).It is not suitable for medium like petroleum.