WCB Flanged Double Eccentric Butterfly Valve

ADVANTAGES

Name：WCB Flanged Double Eccentric Butterfly Valve

Working temperature：0～80℃

Suitable medium：Water, weak acid base, gas, oil, etc

Application：Food, medicine, chemical industry, environmental protection, water treatment, water supply and drainage

Product Advantages

1. Precision casting valve body. Qualified WCB material. Fine appearance, no sand hole.
2. Heavy valve body. Wall thickness meets the requirements of GB26640 to ensure compressive strength.
3. The valve body and inner parts are processed by CNC precision machine with high precision.
4. Different sealing materials can be selected to ensure the sealing surface wear resistance, erosion resistance, corrosion resistance, long service life.
5. Replaceable disc seal ring can be easily replaced.
6. The valve shaft is supported by self-lubricating sleeve bearings, which can reduce the friction produced during valve shaft transmission and reduce torque.
7. Each valve will be inspected for shell and seal pressure before leaving factory.
8. Epoxy coating, beautiful apperance.

PARAMETER INFORMATION

Name	Design and manufacture	Face to face Length	Pressure Test	End Flange
Reference standard	GB/T 12238	GB/T 12221	GB/T 13927	GB/T 9113/ASME B16.5

Name	8-Body	4-Seat Seal	6-Disc	3-Shaft	14-Gearbox
Material	WCB	EPDM	WCB	2Cr13	Component

Size			PN10		PN16		150LB
DN	NPS (Inch)	L	φk	N-φd	φk	N-φd	φk	N-φd
50	2''	108	125	4-18	125	4-18	120.7	4-19
65	2 1/2''	112	145	4-18	145	4-18	139.7	4-19
80	3''	114	160	8-18	160	8-18	152.4	4-19
100	4''	127	180	8-18	180	8-18	190.5	8-19
125	5''	140	210	8-18	210	8-18	215.9	8-22.4
150	6''	140	240	8-22	240	8-22	241.3	8-22.4
200	8''	152	295	8-22	295	12-22	298.4	8-22.4
250	10''	165	350	12-22	355	12-26	361.9	12-25.4
300	12''	178	400	12-22	410	12-26	431.8	12-25.4
350	14''	190	460	16-22	470	16-26	476.2	12-28.4
400	16''	216	515	16-26	525	16-30	539.7	16-28.4
450	18''	222	565	20-26	585	20-30	577.8	16-31.8
500	20''	229	620	20-26	650	20-33	635	20-31.8
600	24''	267	725	20-30	770	20-36	749.3	20-35.1