国产又粗又猛又爽又黄的黄牛视频-欧美日韩精品网址-国产成人麻豆h视频在线观看-蜜臀av区一二三爽免费播放-久久久伦理精品-99精品资源在线视频-伊人久久大香樵-久久人妻人人爽-性欧美少妇煌妇喷水,麻豆免费在线观看视频网站,天天射天天干天天要,91精品国自产拍老熟女露脸

美國NIBCO尼必可F-607-OTS鑄鐵法蘭閘閥簡介

防火消防閥門 ? 外螺紋和軛架 ? 彈性楔形閘板 ?
內(nèi)外涂敷環(huán)氧樹脂 ?
在輪箍位置A 上進(jìn)行鉆孔，攻絲和塞緊
Fire Protection Valve ? Outside Screw and Yoke ? Resilient Wedge ?
Epoxy Coated Interior/Exterior ?
Pre-Grooved Stem for Supervisory Switch ?
Drilled, Tapped and Plugged at Boss Location A

250 PSI/17.2 Bar非沖擊性冷工作壓力
(71oC工作溫度)
250 PSI/17.2 Bar Non-Shock Cold Working Pressure
(160oF/71oC max. operating temperature)

UL/ULC認(rèn)證 ? FMRC認(rèn)證 ?
AWWA C509 & 515 ? M.E.A.認(rèn)證
UL/ULC LISTED ? FMRC APPROVED ?
AWWA C509 & 515 ? M.E.A. APPROVED

300 PSI CWP Iron Body Gate Valves
Fire Protection Valve ? Outside Screw and Yoke ? Resilient Wedge ?
Epoxy Coated Interior/Exterior ? Pre-Grooved Stem for Supervisory Switch ?
Drilled, Tapped and Plugged at Boss Location A
300 PSI/20.6 Bar Non-Shock Cold Working Pressure
F-607-RWS
Flanged
Position A
F-607-RWS
Flg x Flg
UL/ULC LISTED? ? FM APPROVED ? CERTIFIED LEAD-FREE*
NSF/ANSI 372MATERIAL LIST
PART SPECIFICATION
1 Valve Body Ductile Iron ASTM A536
2 Resilient Wedge Ductile Iron ASTM A536/EPDM ASTM D2000
3 Wedge Nut ASTM B584 UNS C83600
4 Dowel Pin ASTM A276 SS304
5 Stem Back Seat O-Ring EPDM ASTM D2000
6 Bonnet Gasket EPDM ASTM D2000
7 Bonnet Ductile Iron ASTM A536
8 Stem Packing EPDM ASTM D2000
9 Threaded Rod ASTM A276 SS304
10 Gland Bushing ASTM B584 UNS C83600
11 Gland Ductile Iron ASTM A536
12 Gland Nut ASTM B148 C95200 Aluminum Bronze
13 Yoke Ductile Iron ASTM A536
14 Yoke Bushing ASTM B150 C61400
15 Flat Point Set Screw ASTM F912M
16 Yoke Bushing Retainer Cast Iron ASTM A126 Class B
17 Handwheel Ductile Iron ASTM A536
18 Handwheel Nut Carbon Steel Zinc Plated
19 Stem Stainless Steel 304
20 Bonnet Screw Corrosion-resistant Steel
21 NPT Pipe Plug Steel ASME B16.14
22 UL/FM Label (not shown) Aluminum
23 Yoke Nut ASTM B148 C95200 Aluminum Bronze
24 Drive Screw Label (not shown) Stainless Steel 304