Stainless Steel Flexible Couplings

• Connection: Press Connection
• Structure: Vertical
• Flexible or Rigid: Rigid
• Material: Stainless Steel
• Standard: Standard
• Transport Package: in Cartons and Seaworth Wooden Cases.
• Model NO.: KM-20200619
• Specification: 1 inch ~ 12 inch
• Trademark: KINGMETAL
• Origin: China
• HS Code: 7307230000
• Production Capacity: 1000 Tons Per Month

Product Description

Stainless Steel Grooved Coupling

Flexible Couplings

Standard Weight Flexible Coupling with "C" Gasket

Maximum working pressure depending on schedule of pipe:

1"-8" Sch.10 pipe 300psi (20.7 bar)
1"-8" Sch. 40 pipe 600psi (41.1 bar)
NSF61 Approved
Gasket Grade E - EPDM (green stripe) -30˚F to +230˚F
Gasket Grade T - Nitrile (orange stripe) -20˚F to +180˚F
Stainless Steel Couplings conform to ASTM A743/A743M
Bolts conform to ASTM A193M Class 2,
Type 304 Grade B8M
Stainless Steel Nuts are hex nuts conforming to
ASTM A 194M Type 304, Grade 8M


 

Rigid Couplings

Ducco GT 4020

• 60° angle pad design
• Resists flexural and torsion load
• Listed pressure is maximum working pressure; for the fire protection application, approved pressure by related authorities should be used
  UL/ULC: 300PSI
  FM: 300PSI
• Couplings come with EPDM Gaskets as standard; nitrile gaskets are available upon request
• Manufactured by DUCCO Industries; sold by GroovJoint
•  

Size (A)	Pipe outside diameter (mm)	Maximum working pressure (MPa)	Dimension			Dimension of bolt (DxL)
			A	B	C
50	60.5	2.0	82	111	43	M10x 52
65	76.3	2.0	100	141	45	M10x 52
80	89.1	2.0	115	156	46	M10x 52
100	114.3	2.0	142	200	48	M12x 79
125	139.8	2.0	168	235	48	M12x 79
150	165.2	2.0	197	279	53	M16x 90
200	216.3	2.0	257	329	62	M16x90
250	267.4	2.0	311	406	65	M22x130
300	318.5	2.0	372	462	65	M22x150