Grooved Fittings Rigid Coupling

Material: QT450-12, ASTM A536, GRADE 65-45-12 ,etc.

Standard: ASME, ANSI, DIN, JIS, ASTM, UNI, BS ,etc.

Pressure: 300PSI, 500PSI, 750PSI, 1000PSI. 

Surface treatment: red painted, orange painted, galvanized, red spraied, orange spraied, dacromet, epoxy powder, epoxy, electroplate, galvanized+epoxy, etc.

Applications: Industrial pipeline system on shipping ,mine, fire protection ,oil  field,textile,powder plant,etc.

Advantages:
1. Low price,high quality & fast delivery & strict inspection .
2. The fastest delivery
3. The lowest price
4. Most comprehensive standards and materials for your choice. 5.100% export.
6. Our products EXPORT to Africa, Oceania, midle east, eastern Asia, Western Europe etc.

1. Sepcification of Flexible coupling

Nominal size mm/in	Pipe O.D mm/in	Work Pressure MPa/psi	Dimension mm			Bolt/Nut
			A	B	C
1	1.315	300	98	60	45	2-M10*50
1¼	1.66	300	110	69	45	2-M10*50
1½	1.9	300	118	73	45	2-M10*50
2	2.375	300	124	90	45	2-M10*50
2½	3	300	138	100	45	2-M10*50
3	3.5	300	154	120	46	2-M10*55
4	4.252	300	186	148	48	2-M12*65
4	4.5	300	190	149	48	2-M12*65
5	5.25	300	216	171	48	2-M12*65
5	5.5	300	217	176	48	2-M12*65
6	6.26	300	240	196	48	2-M12*75
6	6.5	300	245	202	48	2-M12*75
6	6.625	300	250	206	48	2-M12*75
8	8.625	300	320	258	56	2-M16*85
10	10.75	300	390	316	58	2-M20*95
12	12.75	300	446	366	60	2-M20*110