China Leading Mechanical Seals Manufacturer

NINGBO YINZHOU HUAQIU INDUSTRY AND TRADE CO.,LTD
NingBo GaoHong Mechanical Seal Manufacturing CO.,LTD

312.HQCS-C15(DFD)

Categories: Brands, Cartridge Seals, Chesterton Replacements, Double Cartridge Seals, Structures

Type：	Double Cartridge Seal
Replacement：	Chesterton DFD
Temperature：	-40 to +204℃
Pressure：	≤4.0Mpa
Speed：	≤20m/s
Material：	Q1,Q2,A,B,U1,U2,P,E,V,T,F,G,T2,M5

Product descripton

d (mm)	D2		D3	D4	L1	L2	m
d (mm)	min	max	D3	D4	L1	L2	m
30	60	60.05	136.6	95	60.7	60	M10
40	70	70.05	148.3	105	61.4	60	M10
50	85	85.05	164.2	125	61.5	73	M12
60	95	95.05	170.1	135	61.5	73	M12
80	122	122.06	212.1	170	69.8	92	M16
90	132	132.06	224.8	180	69.8	92	M16

d (inch)	D2		D3	D4	L1	L2	m
d (inch)	min	max	D3	D4	L1	L2	m
1.181	2.375	2.377	5.38	3.74	2.39	2.36	3/8-16
1.575	2.750	2.752	5.84	4.13	4.42	2.36	3/8-16
1.969	3.375	3.377	6.47	4.92	2.42	2.87	1/2-13
2.362	3.750	3.752	6.70	5.32	2.42	2.87	1/2-13
3.150	4.750	4.753	8.35	6.69	2.75	3.62	5/8-11
3.543	5.197	5.200	8.85	7.09	2.75	3.62	5/8-11