18R2E系列3/4NPT高压截止阀

这种高流量主阀由锻造黄铜阀体制成，旨在满足一般压缩气体歧管的要求。该阀门在70°F时的额定压力为5000PSI。阀座塞由铝硅青铜制成，可选择Kel-F或Vespel阀座插入件。该阀门提供低扭矩操作功能，包括乙烯丙烯棒T形密封、聚四氟乙烯涂层不锈钢密封圈和Delrin止推垫圈。这种设计为冷热温度提供了出色的密封能力。

Constructed from a forged brass body,this high flow master valve was designed to meet general compressed gas manifold requirements. This valve has a pressure rating of 5000 PSI at 70° F.The seat plug is manufactured from aluminum silicon bronze, and available with a choice of Kel-F or Vespel seat insert. This valve offers low torque operational features that include a Ethylene Propylene Rod T-Seal, a Teflon coated stainless steel seal ring, and a Delrin thrust washer. This design offers excellent seal capabilities for hot and cold temperatures.

▊主要技术参数：

1、最大工作压力：5000 pisg

2、进口接口：1/2”NPT ~ 1”NPT

3、出口接口：1/2”NPT ~ 1”NPT

4、阀座材料：聚三氟氯乙烯或聚酰亚胺

▊规格SPECIFICATIONS:

阀体Valve Body：黄铜Brass

座椅插头Seat Plug：铝合金Silicon青铜，带Kel-F或Vespel座椅Aluminum Sillicon Bronze w/ Kel-F or Vespel seat

阀盖Bonnet：黄铜Brass

阀杆Stem：黄铜Brass

T形密封杆Rod T-Seal：乙烯丙烯，带聚四氟乙烯支承环Ethylene Propylene w/ Teflon back-up rings

推力W垫圈Delrin Thrust W asher-Delrin

密封圈Seal Ring：聚四氟乙烯涂层不锈钢Teflon coated stainless steel

70°F时，阀体的最大工作压力为-5000 PSI

Maximum valve body operating pressure- -5000 PSI @ 70°F

Cv值Cv factor：3.1

▊装配说明ASSEMBLY INSTRUCTIONS：

1、在180-55K或V）阀座塞螺纹上涂抹Braycote 803润滑脂，并将其放入阀体中。

2、使用18R2-2阀杆，顺时针将阀座塞拧到固定位置。

3、将18R2-6密封垫圈放置在阀体顶部密封面上。

4、将18R2-14止推垫圈放入18R2-3A阀盖的凹槽中。

5、将18R2-3A阀盖总成顺时针拧到阀体上，直至固定位置。

6、将18R2-3A阀盖扭转至190英尺/磅。

7、安装180-5手柄、306-11弹簧和306-17螺母。

注：阀盖组件采用Bracote 803预润滑。如果需要额外润滑使用Braycote 803。卤代碳不是一种可接受的T形密封杆润滑剂。

1. Apply Braycote 803 grease to the 180-55K or V) seat plug thread and place in body.

2. Using the 18R2-2 stem, screw the seat plug clockwise to seated position.

3. Place 18R2-6 seal washer on top valve body sealing surface.

4. Place the 18R2-14 thrust washer into groove of 18R2-3A bonnet.

5. Screw 18R2-3A bonnet assembly over valve body clockwise to seated position.

6. Torque 18R2-3A bonnet to 190 Ft/lbs.

7. Install 180-5 handle, 306-11 spring, and 306-17 nut.

NOTE: The bonnet assembly is pre- lubed with Bracote 803. If additional lubrication is required

use Braycote 803. Halocarbon is not an acceptable lubricant for the Rod T-Seal.