Parker派克S6C 和 3C 系列止回阀
软座直列式止回阀最大 2” 尺寸,钢/不锈钢,外螺纹和内螺纹接头端 - S6C / 3C 系列 | #3C20EF-EF15
Parker派克3C系列碳氟密封钢制止回阀; S6C 和 3C 系列止回阀(最高 6,000 psi)是软座、零泄漏提升式止回阀,采用两件式结构。两件式结构允许多种端部配件组合。这些止回阀具有各种标准开启压力和高达 175 gpm 的流速。S6C 和 3C 系列阀门有多种尺寸和钢或不锈钢材料可供选择,流量高达 175 gpm。
止回阀是构建流体系统时经常被忽视的重要部件。止回阀可以通过以下方式优化系统性能:
- 确保液压流体仅沿一个方向流动
- 消除背压造成的潜在损坏
- 隔离系统或系统组件的各个部分
基本的止回阀结构包括一个带有入口和出口的阀体。在内部,一个可移动的提升阀由弹簧压力控制。在大多数情况下,阀门通常是关闭的,当流体压力大于弹簧力(开启压力)时打开,从而允许流体仅沿一个方向流动。当逆流试图通过出口进入时,提升阀关闭并停止流过阀门。
软座止回阀在提升阀和阀体之间有一个 O 形圈或类似的弹性密封件,以提高抗泄漏性。软阀座设计与“清洁”系统最兼容,不适用于具有高浪涌流量的系统。密封材料决定了阀门的温度范围。
Parker派克 S6C and 3C Soft Seat Check Valves
技术特性:
- 尺寸:
- 材料:钢、不锈钢、黄铜
- 密封材料:碳氟化合物
- 标准开启压力 (psi):5、15、25、65
- 入口端:外螺纹 NPT、外螺纹 37 度扩口、外螺纹端面密封、内螺纹 NPTF、内螺纹SAE,内螺纹英式平行 BS 2779
- 出口端:外螺纹 NPT、内螺纹 NPTF、内螺纹 SAE、外螺纹 SAE 37 度扩口、外螺纹面密封、内螺纹英式平行 BS 2779
- 可选
开启压力- 孔阀选项
- 定制形状和配置
注意:某些选项可能不是标准配置。请联系快速接头部门了解可用性和交付情况。
市场:
- 工业
- 建筑
- 农业
- 交通
- MRO
特点/优点:
- 允许流体仅沿一个方向流动,保护系统免受流体背压
- 软座阀形成无泄漏密封
- 氟碳密封是标准配置
- 可根据要求提供
可选的开启压力- 可选的孔阀允许计量阀门关闭时流动。孔口孔径由应用要求决定。
- 定制形状和配置可以集成特殊功能,以减少系统中的组件数量和潜在泄漏点
应用:
- 工业、移动和建筑设备
- 限流器检查回路
- 高/低泵回路
- 慢速前进/快速返回回路
- 油冷却器旁通回路
- 顺序回路
- 先导压力回路
- 蓄能器回路
技术规格
- 出口端口连接类型: 内 SAE 直螺纹
- 开启压力 (psi): 15
- 出口尺寸(英寸): 1 5/8 - 12 联合国
- 入口连接类型: 内 SAE 直螺纹
- 机身尺寸(英寸): 1 1/4
- 入口尺寸(英寸): 1 5/8 - 12 联合国
- 密封材料: 碳氟化合物
- 最大工作压力: 3000 磅/平方英寸
- 机身材质: 钢
- 座位类型: 软座
Parts |
Body Size (inch) |
Inlet Port Connection Type |
Inlet Port Size (inch) |
Outlet Port Connection Type |
Outlet Port Size (inch) |
Cracking Pressure (psi) |
Seal Material |
3C20EF-EF15 |
1 1/4 |
Female SAE Straight Thread |
1 5/8 - 12 UN |
Female SAE Straight Thread |
1 5/8 - 12 UN |
15 |
Fluorocarbon |
3C20EF-EF25 |
1 1/4 |
Female SAE Straight Thread |
1 5/8 - 12 UN |
Female SAE Straight Thread |
1 5/8 - 12 UN |
25 |
Fluorocarbon |
3C20EF-EF5 |
1 1/4 |
Female SAE Straight Thread |
1 5/8 - 12 UN |
Female SAE Straight Thread |
1 5/8 - 12 UN |
5 |
Fluorocarbon |
3C20EF-EF5A |
1 1/4 |
Female SAE Straight Thread |
1 5/8 - 12 UN |
Female SAE Straight Thread |
1 5/8 - 12 UN |
5 |
Nitrile |
3C20EF-EF65 |
1 1/4 |
Female SAE Straight Thread |
1 5/8 - 12 UN |
Female SAE Straight Thread |
1 5/8 - 12 UN |
65 |
Fluorocarbon |
3C20EM-EM5 |
1 1/4 |
Male 37 degree flare |
1 5/8 - 12 UN |
Male 37 degree flare |
1 5/8 - 12 UN |
5 |
Fluorocarbon |
3C20EM-EM65 |
1 1/4 |
Male 37 degree flare |
1 5/8 - 12 UN |
Male 37 degree flare |
1 5/8 - 12 UN |
65 |
Fluorocarbon |
3C20F-F15 |
1 1/4 |
Female NPTF |
1 1/4 - 11 1/2 NPTF |
Female NPTF |
1 1/4 - 11 1/2 NPTF |
15 |
Fluorocarbon |
3C20F-F5 |
1 1/4 |
Female NPTF |
1 1/4 - 11 1/2 NPTF |
Female NPTF |
1 1/4 - 11 1/2 NPTF |
5 |
Fluorocarbon |
3C20F-F5A |
1 1/4 |
Female NPTF |
1 1/4 - 11 1/2 NPTF |
Female NPTF |
1 1/4 - 11 1/2 NPTF |
5 |
Nitrile |
3C20F-F65 |
1 1/4 |
Female NPTF |
1 1/4 - 11 1/2 NPTF |
Female NPTF |
1 1/4 - 11 1/2 NPTF |
65 |
Fluorocarbon |
3C20F-F65A |
1 1/4 |
Female NPTF |
1 1/4 - 11 1/2 NPTF |
Female NPTF |
1 1/4 - 11 1/2 NPTF |
65 |
Nitrile |
3C24EF-EF15A |
1 1/2 |
Female SAE Straight Thread |
1 7/8 - 12 UN |
Female SAE Straight Thread |
1 7/8 - 12 UN |
15 |
Nitrile |
3C24EF-EF25 |
1 1/2 |
Female SAE Straight Thread |
1 7/8 - 12 UN |
Female SAE Straight Thread |
1 7/8 - 12 UN |
25 |
Fluorocarbon |
3C24EF-EF5 |
1 1/2 |
Female SAE Straight Thread |
1 7/8 - 12 UN |
Female SAE Straight Thread |
1 7/8 - 12 UN |
5 |
Fluorocarbon |
3C24EF-EF5A |
1 1/2 |
Female SAE Straight Thread |
1 7/8 - 12 UN |
Female SAE Straight Thread |
1 7/8 - 12 UN |
5 |
Nitrile |
3C24EF-EF65 |
1 1/2 |
Female SAE Straight Thread |
1 7/8 - 12 UN |
Female SAE Straight Thread |
1 7/8 - 12 UN |
65 |
Fluorocarbon |
3C24EF-EF65A |
1 1/2 |
Female SAE Straight Thread |
1 7/8 - 12 UN |
Female SAE Straight Thread |
1 7/8 - 12 UN |
65 |
Nitrile |
3C24F-F25 |
1 1/2 |
Female NPTF |
1 1/2 - 11 1/2 NPTF |
Female NPTF |
1 1/2 - 11 1/2 NPTF |
25 |
Fluorocarbon |
3C24F-F5 |
1 1/2 |
Female NPTF |
1 1/2 - 11 1/2 NPTF |
Female NPTF |
1 1/2 - 11 1/2 NPTF |
5 |
Fluorocarbon |
3C24F-F5A |
1 1/2 |
Female NPTF |
1 1/2 - 11 1/2 NPTF |
Female NPTF |
1 1/2 - 11 1/2 NPTF |
5 |
Nitrile |
3C24F-F65 |
1 1/2 |
Female NPTF |
1 1/2 - 11 1/2 NPTF |
Female NPTF |
1 1/2 - 11 1/2 NPTF |
65 |
Fluorocarbon |
3C32EF-EF25 |
2 |
Female SAE Straight Thread |
2 1/2 - 12 UN |
Female SAE Straight Thread |
2 1/2 - 12 UN |
25 |
Fluorocarbon |
3C32EF-EF65A |
2 |
Female SAE Straight Thread |
2 1/2 - 12 UN |
Female SAE Straight Thread |
2 1/2 - 12 UN |
65 |
Nitrile |
3C32F-F5 |
2 |
Female NPTF |
2 - 11 1/2 NPTF |
Female NPTF |
2 - 11 1/2 NPTF |
5 |
Fluorocarbon |
3C32F-F65 |
2 |
Female NPTF |
2 - 11 1/2 NPTF |
Female NPTF |
2 - 11 1/2 NPTF |
65 |
Fluorocarbon |
S6C4F-F5 |
1/4 |
Female NPTF |
1/4 - 18 NPTF |
Female NPTF |
1/4 - 18 NPTF |
5 |
Fluorocarbon |
S6C4F-M5 |
1/4 |
Female NPTF |
1/4 - 18 NPTF |
Male NPT |
1/4 - 18 NPSF |
5 |
Fluorocarbon |
S6C6F-F5 |
3/8 |
Female NPTF |
3/8 - 18 NPTF |
Female NPTF |
3/8 - 18 NPTF |
5 |
Fluorocarbon |
S6C6F-M5 |
3/8 |
Female NPTF |
3/8 - 18 NPTF |
Male NPT |
3/8 - 18 NPTF |
5 |
Fluorocarbon |
S6C8F-F5 |
1/2 |
Female NPTF |
1/2 - 14 NPTF |
Female NPTF |
1/2 - 14 NPTF |
5 |
Fluorocarbon |
S6C8M-F5 |
1/2 |
Male NPT |
1/2 - 14 NPT |
Female NPTF |
1/2 - 14 NPTF |
5 |
Fluorocarbon |
|