J21W壓力表針形截止閥
名稱(chēng):J21W壓力表針形截止閥
型號:J21W
口徑:DN6-DN50
壓力:≤10000PSI
材質(zhì):鍛鋼、不銹鋼
一、J21W壓力表針形截止閥特性:
1. 制造標準: GB/T12224-2005 JB/T7747-1995
二、J21W壓力表針形截止閥主要零件材料/Materials of main parts ：
| 序號 NO. | 零件名稱(chēng) Part name | 材質(zhì) Material |
| 1 | 閥體 Body | 20# A105 SS304 SS304L SS316 SS316L |
| 2 | 閥蓋墊片 Bonnet Gasket | 紫銅(Red copper) PTFE |
| 3 | 閥蓋Bonnet | 20# A105 SS304 SS304L SS316 SS316L |
| 4 | 填料墊 Packing Seat | PTFE 柔性石墨(Expanded Graphite) 金屬盤(pán)根(Matel and Graphite) |
| 5 | 填料 Packing | PTFE 柔性石墨(Expanded Graphite) |
| 6 | 格南螺母 Gland Nut | 20# A105 SS304 SS304L SS316 SS316L |
| 7 | 填料壓蓋 Packing Gland | 20# A105 SS304 SS304L SS316 SS316L |
| 8 | 閥桿 Stem | 20# A105 SS304 SS304L SS316 SS316L |
| 9 | 手輪 Handle | 20# A105 SS304 SS304L SS316 SS316L |
| 10 | 帶帽螺母Hooded Nut | 20# A105 SS304 SS304L SS316 SS316L |
| ITEM NO. | 公稱(chēng)通徑 DN Nominal bore | H | L | M | D0 |
| J21W-JH-b-1 | DN6 | 85 | 65 | G1/4 | 60 |
| J21W-JH-b-2 | DN10 | 87 | 68 | G1/2 | 60 |
| J21W-JH-b-3 | DN15 | 87 | 86 | ZG3/4 | 70 |
| J21W-JH-b-4 | DN20 | 100 | 100 | ZG1 | 80 |