Cast Iron Centre Sealing Wafer Type Butterfly Valve

• Customization: Available
• Driving Mode: Manual
• Connection Form: Wafer
• Model NO.: D71X
• Structure: Centre Sealing
• Seal Form: Force Sealed
• Valve Stem: Normal
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Working Temperature: Medium Temperature (120°C<T<450°C)
• Material of Seal Surface: Soft Sealed
• Valve Body: Casting
• Application: Industrial Usage, Water Industrial Usage
• Size: 1 1/2" to 48"
• Class: 150lb to 600lb
• Certificates: API 6D, CE, ISO9001
• Application Fields: Metallurgy,Light Industrial,Electric Power,Petroch
• Delivery Detail: 20~45 Days According to The Specific Quantities
• Transport Package: Standard Export Wooden Case
• Specification: API598, API6d, ANSI, Bs, DIN, JIS
• Trademark: NAIBANG
• Origin: China
• HS Code: 8481804090
• Production Capacity: 8000PCS/Year

Product Description

Flanged Bi-Direction Triple Eccentric Butterfly Valve

Product Description

1) Design and manufacture standards:
A) Wafer and lug: API 609, DIN3354
B) Flange and weld: BS5155 / EN598

2) Inspection and test standards: API 598, DIN3230, BS5146

3) F-to-F:
A) Wafer and lug: API609, DIN3202 K2
B) Flange: ISO 5752

4) End flange dimension: ASME B16.5 (for NPS<24"), ASME B16.47 series B,
API605, ASME B16.47 series A, MSS SP-44 (for NPS>24"), or BSEN 1092

5) Top flange: ISO5211

6) Connecting: Wafer, lug, flange, weld

7) Size: 1-1/2" - 40", DN40 - DN1000

8) Pressure: Class125 - Class300, PN6 - PN40

9) Temperature: -20° C - 200° C

10) Body: Cast iron / ductile iron / WCB / 304 / 316

11) Disc: Ductile iron / WCB / 304 / 316 / CF8 / CF8M

12) Stem: 13%Cr / 316 / 304 / SS17-4pH

13) Seat: NBR / EPDM / PTFE / R-PTFE / PPL/Stainless Steel

14) Operation: Lever, worm gear, pneumatic, electric, hydraulic or pneumatic-hydraulic actuator

15) Property: Longer service life and zero leakage

16) Widely used in many industries such as: Water treatment, foodstuff, beverage, pharmaceutics, desalination, steelmaking, chemical machinery industries, pulp and paper manufacturing processing

We welcome all the world customers to contact us for more cooperation.

With our years of technical knowledge and experience, we assure you,

Naibang will be one of your best parters in China.

STANDARD MATERIAL LIST
No.	Parts Name	Material
1	Bottom Cover	A182 F6, F304, F304L, F316, F316L
2	Stud	A193 B7, B7M, B8, B8M
3	Gasket	Graphite
4	Body	A216 WCB, A352 LCB, A351 CF8, CF8M, CF3, CF3M, Duplex
5	Stem	A182 F6, F304, F304L, F316, F316L
6	Board	A182 F6, F304, F304L, F316, F316L
7	Disc	A216 WCB, A352 LCB, A351 CF8, CF8M, CF3, CF3M, Duplex
8	Pin	A182 F6, F304, F304L, F316, F316L
9	Stud	A193 B7, B7M, B8, B8M
10	Seal Ring	SS304+Graphite
11	Bushing	SS304+PTFE
12	Packing	Graphite
13	Yoke Nut	A194 2H, 2HM, 8, 8M
14	Yoke Stud	A193 B7, B7M, B8, B8M
15	Yoke	A216 WCB, A352 LCB, A351 CF8, CF8M, CF3, CF3M, Duplex