Rubber lined butterfly valve

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Rubber lined butterfly valve

Product model: D371X
Nominal diameter: DN40 ~ 350mm
Nominal pressure: PN0.6 ~ 1.6MPa
Temperature: ≤120 ℃
Suitable medium: air, water, water, steam, gas, oil, etc.
Main material: ductile iron, cast , steel, stainless steel
Operation: manual, worm gear, gas drive, electric drive

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[Essential information]

Rubber lined butterfly valve used in linear design, the main structure of the valve from the valve body, valve plate, valve seat, valve rod and drive operation mechanical components, according to the physical and chemical properties of different media, the selection of high temperature resistance, the corresponding low temperature resistance, corrosion resistance, light resistance, aging resistant material; different combinations can be used for various mediums and different temperature.

Test pressure(mpa)
Airtight	Seal up	Strength
0.6	1.1	1.5

Length of clip type structure

DN	D50	65	80	100	125	150	200	250	300	350	400	450
L	43	46	46	52	56	56	60	68	78	78	102	114

DN	500	600	700	800	900	1000	1200
L	127	154	165	190	203	216	254

Flange type length

DN	D50	65	80	100	125	150	200	250	300	350	400	450
L	108	112	114	127	140	140	152	165	178	190	216	222

DN	500	600	700	800	900	1000	1200
L	229	267	292	318	330	410	470

Valve body	Cast iron, carbon steel, stainless steel, determined by the customer
Valve seat	Three yuan ethylene propylene rubber EPDM or by customer
Valve plate	Nickel plated plate, stainless steel plate, lining board, 2057 plate, 1.4529 plate and so on by the customer
The stem	Carbon steel, 2CR133042507,1.4529 and so on, determined by the customer
Drive device	Determined by the customer

[Standard parameter]

Design standard	AWWA-C540-80、GB/T12238
Structural length	GB/T12221
Connection standard	GB/T17241.2、GB/T 9113
Inspection and test	GB/T13927

[Valve features]

1, the design is novel, reasonable, unique structure, light weight, fast opening and closing.
2, small operating torque, easy operation, labor-saving and smart.
3, It can be installed and maintained conveniently in any position.
4, seals can be replaced, sealing performance is reliable, to achieve two-way sealing, zero leakage.
5, sealing materials aging resistance, corrosion resistance, long service life and so on.

[Adaptive condition]
Rubber lined butterfly valves are widely used in petroleum, chemical, metallurgical, fertilizer, power, pharmaceutical, municipal, building, fire fighting, heating, water supply, drainage, sewage treatment and other industries on the fluid pipeline as a mediation and closure device.

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DN	D50	65	80	100	125	150	200	250	300	350	400	450
L	43	46	46	52	56	56	60	68	78	78	102	114

DN	D50	65	80	100	125	150	200	250	300	350	400	450
L	108	112	114	127	140	140	152	165	178	190	216	222

DN	D50	65	80	100	125	150	200	250	300	350	400	450
L	43	46	46	52	56	56	60	68	78	78	102	114

DN	D50	65	80	100	125	150	200	250	300	350	400	450
L	108	112	114	127	140	140	152	165	178	190	216	222

DN	D50	65	80	100	125	150	200	250	300	350	400	450
L	43	46	46	52	56	56	60	68	78	78	102	114

DN	D50	65	80	100	125	150	200	250	300	350	400	450
L	108	112	114	127	140	140	152	165	178	190	216	222