美国NIBCO尼必可T-480立式止回阀概述

175 PSI WWP Bronze Angle Valves

Fire Protection Valve ? Screw-in Bonnet ? Integral Seat ? Renewable Disc

MATERIAL LIST

PART

SPECIFICATION

1. Handwheel Nut

300 Series Stainless Steel

2. Identification Plate

Aluminum

3. Handwheel

Aluminum Commercial Alloy C38000

4. Stem

Silicon Bronze ASTM B371 Alloy C69430

5. Packing Gland

Bronze ASTM B62/ ASTM B16?/

ASTM B584 Alloy C84400

6. Packing Nut

Bronze ASTM B62/

ASTM B584 Alloy C84400/ASTM B16

7. Packing

Non Asbestos Aramid Fibers w/Graphite

8. Bonnet

Bronze ASTM B62 Alloy C83600

9. Disc Holder Nut

Bronze ASTM B62 Alloy C83600

10. Disc Holder

Bronze ASTM B62 Alloy C83600

11. Seat Disc

Nitrile (W) (11/4" - 2")

PTFE (Y) (21/2" - 3")

12. Seat Disc Nut

Bronze ASTM B62?/ ASTM B96

Alloy C65100 w/SS Washer

13. Body

Bronze ASTM B62/B584 Alloy C83600

? 21??" and 3" size only.

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