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815W Wafer butterfly valve

815W Wafer butterfly valve

Model:815W

Size:DN50-DN300

Pressure:150LB

Temperature:

Body material:WCB、CF8、CF8M、CF3M

Applicable medium:Water,Oil,Gas,Liquid Petroleum Gas,Anhydrous Ammonla,Alcohols

Introduction

High performance double eccentric butterfly valve, in add ition to the conventional valve had to adapt to the working condition of the medium according to different medium, chose different structure material and special processing, can also be used for cryogenic, vapor, chlorine gas, oxygen high vacuum, corrosion and other special conditions.

Features

1、Fire-proof structure
Fire-proof valve is tested to API 607 4th Edition and BS 6755 Part II

2、Fixed axis
Fixed collar is installed in the top of axis,2“-24“(N50-600), when axis breaks accident, avoid the upper part to move out of gland.

3、Provide ce marked versions available
CE marked and documented valves that conform to the European Pressure Equipment Directive(PED)97/23/EC are available in ANSI Class 150,300, both standard and Fire-Tite construction. Operating torques, construction potions and valve dimensions are exactly the same as the standard ANSI 150/300 offering

4、Convenient to maintain and upkeep valve seats
Replace axis only by taking inserts down, without disassembling disc and axis

5、Excellent for both On-Off and Control Application
(1)Superior control characteristics.
(2)Inherent flow characteristic is modified equal percentage
(3)Wide rangeability
(4)Tight shut-off even in control applications
(5)Standard lugged style valves are suitable for bidirectional dead-end service at the full pressure temperature rating of the valve

6、Single-Source Responsibility
(1) Purchase valves, actuators, and accessories, completely mounted from one source.
(2) Available with electric, manual gear, and pneumatic double acting or spring return actuators and a variety of accessories including limit switch,solenoids, and positioners.
(3)OEM services available through world-wide service centers.

7、Available in a Wide Choice of Material for a Broad Range of Applications
Standard body materials include ductile iron, aluminium bronze, carbon steel, stainless steel, Monel, Alloy 20. Users can also, according to requirements select other materials

Technical parameters



 
Size parameters
NPS DN K G P W A B L1 2 E N M H × S
2" 50 80 124 186 43 96 120.7 125.5 22.35 M10 4 φ19 14 φ11.8 9
2.5" 65 111 193 276 49 118 139.7 125.5 22.35 M10 4 φ19 27 φ15.5 11.2
3" 80 121 203 297 49 132 152.4 125.5 22.35 M10 4 φ19 27 φ15.5 11.2
4" 100 133 215 325 54 157 190.5 125.5 22.35 M10 8 φ19 27 φ15.5 11.2
5" 125 135 217 344 57 186 215.9 125.5 22.35 M10 8 φ22 27 φ15.5 11.2
6" 150 152 234 377 57 217 241.3 125.5 22.35 M10 8 φ22 27 φ18.8 13.9
8" 200 187 269 441 64 274 298.5 125.5 22.35 M10 8 φ22 27 φ21.9 15.9
10" 250 232 325 527 71 330 362 142.75 37.34 M12 12 φ26 28 φ28.2 20.6
12" 300 260 357 595 81 386 431.8 142.75 37.34 M12 12 φ26 33 φ34.7 23.7

Technical standard

1.AP607: Fire rest for soft seated valves
2.BS6755: British Standard testing of valves Part 2. Specification for fire type-testing requirements
3.API609: Double Flanged, Lug-and Water-Type 3"-24" only, 2 1/2" and 5" and not defined in API 609
4.ANSI/ASME B16.10: Face-to-Face and End-to-End Dimensionsof Ferrous Valves 3" - 24" only, 2 1/2" and 5" not defined in API609
5.ANSI/ASME B16.5: 3"-24" Steel Pipe Flanges and Flanged Fittings 3"-24" only
6.ANSI/ASME B16.47: Large Diameter Steel Flanges NPS 26 through NPS 60
7.ANSI/ASME B16.34: Flange end and butt end steel valve
8.ANSI/ASME B31.1: Power plant pipeline
9.ANSI/ASME B31.3: Chemical Plant and Petroleum Refinery Piping
10.ANSI/ASME B31.4: Liquid Transportation Systems for Hydrocarbons(Liquid Petroleum Gas)T Anhydrous Ammonia, and Alcohols.
11.ANSI/ASME B31.8: Gas Transmission and Distribution Piping Systems
12.ANSI/FCL 70-2-1991: For Control Valve Seat Leakage
13.ISA 75.02: Valve Sizing Coefficient Cvf Piping Geometry Factor Fp and Pressure Drop Limitation XT.
14.MSS SP-25: Standard Marking System for Valves
15.MSS SP-44: Steel Pipe Line Ranges
16.MSS SP-55: Quality Standards for Steel Castings
17.MSS SP-61: Pressure Testing of Steel Valves
18.MSS SP-96: Terminology for Valves and Fittings

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