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Hard Seat In-Line Check Valves (up to 5000 psi) - Compact One Piece Body, Male Fitting Ends - DT Series
Parker派克DT系列硬座直通单向阀（高达5000 psi）-紧凑的一体式阀体，公接头端
Parker派克流体连接件Parker fluid connectors

派克止回阀是一种单向流量控制设备，主要用于液压系统中，以消除由流体背压引起的潜在损坏。Parker check valves are unidirectional flow control devices used primarily in hydraulic systems to eliminate potential damage caused by fluid back pressure.

 

Parker派克DT系列硬座直通单向阀

 

DT 系列单向阀 (达 5,000 psi /350 bar) 为金属阀芯对金属硬阀座的设计, 采用单片阀体, 并全部为钢制结构。阀体的尺寸紧凑, 配置有各种类型的外螺纹油口接头。该系列阀为直通型单向阀, 标准弹簧的开启压力为 1, 5 和 65 psi (0.07, 0.35 和 4.5 bar)。该 DT 系列单向阀的供货规格范围很广, 通流能力高达 100 gpm。

单向阀是流体系统的重要元件, 但在系统建立时却常常被忽视。单向阀可通过以下方式优化系统的性能:
- 促使液流只在一个方向上流动
- 减少由背压引起的损坏隐患
- 隔离系统的分支或系统元件

基本的单向阀由带有进、出油口的阀体和由弹簧压力控制的内部可移动座阀芯组成。大多数情况下单向阀是常闭的, 当液流的压力高于弹簧所产生的背压 (开启压力) 时, 单向阀开启, 允许液流只在一个方向上流动。当反向液流试图流进出口时, 阀芯关闭, 阻止反向流动。

硬阀座单向阀采用耐久的金属对金属密封结构, 能承受较大的流量冲击, 并具有较长的使用寿命。

技术参数:
- 规格: 1/4” 到 1-1/4”
- 材料: 钢
- 进油口端: ORB (带O形圈槽) 外螺纹, JIC (扩口式管接头) 外螺纹, ORFS (O形圈端面密封) 外螺纹
- 出油口端: ORB (带O形圈槽) 外螺纹, JIC (扩口式管接头) 外螺纹, ORFS (O形圈端面密封) 外螺纹
- 可选的开启压力值从 1 至 200 psi (0.07 至 14 bar) 以 5 psi (0.35 bar) 的增量递增
- 节流阀功能可选
- 客户定制形状及配置

注: 有些选项可能是非标配置, 请与快换接头事业部 (Quick Coupling Division) 联系, 以确认可否供货。

适销市场:
- 工业设备
- 建筑业
- 农业
- 运输业
- MRO

特点/优点:
- 只允许液流在一个方向上流动, 保护系统免受流体背压的影响
- 金属对金属硬密封提供较长的使用寿命, 及较强的抗大流量冲击耐久性
- 客户定制形状及配置可以集成一些特殊的功能, 从而减少系统元件的数量与潜在的泄漏点
- 可应要求提供可选的开启压力
- 节流阀功能选项可在阀关闭时提供节流功能, 节流孔尺寸可按应用要求确定

应用领域:
- 工业设备、工程机械及建筑设备
- 单向节流回路
- 高/低压泵组回路
- 慢进/快回回路
- 油冷却器旁路回路
- 顺序动作回路
- 先导压力回路
- 蓄能器回路

性能特点：

max.运行压力：2500 至 5000 psi
主体尺寸：5000 inch
阀体材料：5000
阀座类型：金属密封

DT-MFMO JIC37°扩口外螺纹流向ORB外螺纹

 

型号 本体尺寸
inch 		螺纹A
UN/UNF 		B C D 螺纹E
UN/UNF 		F 标准开启压力
psi
DT-370-MFMO-** 3/8 9/16-18 0.56 0.44 0.47 9/16-18 0.75 1,5,65
DT-500-MFMO-** 1/2 3/4-16 0.66 0.50 0.55 3/4-16 0.88 5,65
DT-750-MFMO-** 3/4 1-1/16-12 0.86 0.50 0.73 1-1/16-12 1.25 1,5,65
DT-1000-MFMO-** 1 1-5/16-12 0.91 0.62 0.73 1-5/16-12 1.50 5,65

**代表开启压力，如DT-370-MFMO，开启压力为5psi，则型号为DT-370-MFMO-5。

 

DT-MOMS ORB外螺纹流向Seal-LOK外螺纹

 

型号 本体尺寸
inch 		螺纹A
UN/UNF 		B C D 螺纹E
UN/UNF 		F 标准开启压力
psi
DT-370-MOMS-** 3/8 9/16-18 0.47 0.44 0.44 11/16-16 0.75 1,5,65
DT-500-MOMS-** 1/2 3/4-16 0.55 0.50 0.51 13/16-16 0.88 5,65
DT-750-MOMS-** 3/4 1-1/16-12 0.73 0.50 0.68 1-3/16-12 1.25 1,5,65
DT-1000-MOMS-** 1 1-5/16-12 0.73 0.62 0.70 1-7/16-12 1.50 5,65

**代表开启压力，如DT-370-MFMO，开启压力为5psi，则型号为DT-370-MFMO-5。

 

DT-MSMO Seal-LOK外螺纹流向ORB外螺纹

型号 本体尺寸
inch 		螺纹A
UN/UNF 		B C D 螺纹E
UN/UNF 		F 标准开启压力
psi
DT-370-MSMO-** 11/16-16 9/16-18 0.44 0.44 0.47 9/16-18 0.75 1,5,65
DT-500-MSMO-** 13/16-16 3/4-16 0.51 0.50 0.55 3/4-16 0.88 5,65
DT-750-MSMO-** 1-3/16-12 1-1/16-12 0.68 0.50 0.73 1-1/16-12 1.25 1,5,65
DT-1000-MSMO-** 1-7/16-12 1-5/16-12 0.7 0.62 0.73 1-5/16-12 1.50 5,65

**代表开启压力，如DT-370-MFMO，开启压力为5psi，则型号为DT-370-MFMO-5。

 

Hard Seat In-Line Check Valves (up to 5000 psi) - Compact One Piece Body, Male Fitting Ends - DT Series型号

Part Maximum Working Pressure (psi) Inlet Port Connection Type Inlet Port Size (inch) Outlet Port Connection Type Outlet Port Size (inch) Cracking Pressure (psi)
DT-1000-MFMF-5 3000 Male JIC 37 degree 1 5/16 - 12 UN Male JIC 37 degree 1 5/16 - 12 UN 5
DT-1000-MFMF-65 3000 Male JIC 37 degree 1 5/16 - 12 UN Male JIC 37 degree 1 5/16 - 12 UN 65
DT-1000-MFMO-5 3000 Male JIC 37 degree 1 5/16 - 12 UN Male SAE O-ring Straight Thread 1 5/16 - 12 UN 5
DT-1000-MFMO-65 3000 Male JIC 37 degree 1 5/16 - 12 UN Male SAE O-ring Straight Thread 1 5/16 - 12 UN 65
DT-1000-MOMF-5 3000 Male SAE O-ring Straight Thread 1 5/16 - 12 UN Male JIC 37 degree 1 5/16 - 12 UN 5
DT-1000-MOMF-65 3000 Male SAE O-ring Straight Thread 1 5/16 - 12 UN Male JIC 37 degree 1 5/16 - 12 UN 65
DT-1000-MOMS-5 5000 Male SAE O-ring Straight Thread 1 5/16 - 12 UN Male Seal-Lok 1 7/16 - 12 UN 5
DT-1000-MOMS-65 5000 Male SAE O-ring Straight Thread 1 5/16 - 12 UN Male Seal-Lok 1 7/16 - 12 UN 65
DT-1000-MSMO-5 5000 Male Seal-Lok 1 7/16 - 12 UN Male SAE O-ring Straight Thread 1 5/16 - 12 UN 5
DT-1000-MSMS-5 5000 Male Seal-Lok 1 7/16 - 12 UN Male Seal-Lok 1 7/16 - 12 UN 5
DT-1250-MFMF-5 2500 Male JIC 37 degree 1 5/8 - 12 UN Male JIC 37 degree 1 5/8 - 12 UN 5
DT-1250-MFMO-5 2500 Male JIC 37 degree 1 5/8 - 12 UN Male SAE O-ring Straight Thread 1 5/8 - 12 UN 5
DT-1250-MOMF-5 2500 Male SAE O-ring Straight Thread 1 5/8 - 12 UN Male JIC 37 degree 1 5/8 - 12 UN 5
DT-1250-MOMS-5 4000 Male SAE O-ring Straight Thread 1 5/8 - 12 UN Male Seal-Lok 1 11/16 - 12 UN 5
DT-1250-MSMO-5 4000 Male Seal-Lok 1 11/16 - 12 UN Male SAE O-ring Straight Thread 1 5/8 - 12 UN 5
DT-1250-MSMS-5 4000 Male Seal-Lok 1 11/16 - 12 UN Male Seal-Lok 1 11/16 - 12 UN 5
DT-1250-MSMS-65 4000 Male Seal-Lok 1 11/16 - 12 UN Male Seal-Lok 1 11/16 - 12 UN 65
DT-250-MFMO-5 5000 Male JIC 37 degree 7/16 - 20 UNF Male SAE O-ring Straight Thread 5000 5
DT-370-MFMF-5 5000 Male JIC 37 degree 9/16 - 18 UNF Male JIC 37 degree 5000 5
DT-370-MFMF-65 5000 Male JIC 37 degree 9/16 - 18 UNF Male JIC 37 degree 5000 65
DT-370-MFMO-5 5000 Male JIC 37 degree 9/16 - 18 UNF Male SAE O-ring Straight Thread 5000 5
DT-370-MFMO-65 5000 Male JIC 37 degree 9/16 - 18 UNF Male SAE O-ring Straight Thread 5000 65
DT-370-MOMF-5 5000 Male SAE O-ring Straight Thread 9/16 - 18 UNF Male JIC 37 degree 5000 5
DT-370-MOMF-65 5000 Male SAE O-ring Straight Thread 9/16 - 18 UNF Male JIC 37 degree 5000 65
DT-370-MOMS-5 5000 Male SAE O-ring Straight Thread 9/16 - 18 UNF Male Seal-Lok 5000 5
DT-370-MOMS-65 5000 Male SAE O-ring Straight Thread 9/16 - 18 UNF Male Seal-Lok 5000 65
DT-370-MSMO-5 5000 Male Seal-Lok 11/16 - 16 UN Male SAE O-ring Straight Thread 5000 5
DT-370-MSMO-65 5000 Male Seal-Lok 11/16 - 16 UN Male SAE O-ring Straight Thread 5000 65
DT-370-MSMS-5 5000 Male Seal-Lok 11/16 - 16 UN Male Seal-Lok 5000 5
DT-500-MFMF-5 4500 Male JIC 37 degree 3/4 - 16 UNF Male JIC 37 degree 3/4 - 16 UNF 5
DT-500-MFMF-65 4500 Male JIC 37 degree 3/4 - 16 UNF Male JIC 37 degree 3/4 - 16 UNF 65
DT-500-MFMO-5 4500 Male JIC 37 degree 3/4 - 16 UNF Male SAE O-ring Straight Thread 3/4 - 16 UNF 5
DT-500-MFMO-65 4500 Male JIC 37 degree 3/4 - 16 UNF Male SAE O-ring Straight Thread 3/4 - 16 UNF 65
DT-500-MOMF-5 4500 Male SAE O-ring Straight Thread 3/4 - 16 UNF Male JIC 37 degree 3/4 - 16 UNF 5
DT-500-MOMF-65 4500 Male SAE O-ring Straight Thread 3/4 - 16 UNF Male JIC 37 degree 3/4 - 16 UNF 65
DT-500-MOMS-1 5000 Male SAE O-ring Straight Thread 3/4 - 16 UNF Male Seal-Lok 5000 1
DT-500-MOMS-5 5000 Male SAE O-ring Straight Thread 3/4 - 16 UNF Male Seal-Lok 5000 5
DT-500-MOMS-65 5000 Male SAE O-ring Straight Thread 3/4 - 16 UNF Male Seal-Lok 5000 65
DT-500-MSMO-5 5000 Male Seal-Lok 13/16 - 16 UN Male SAE O-ring Straight Thread 3/4 - 16 UNF 5
DT-500-MSMO-65 5000 Male Seal-Lok 13/16 - 16 UN Male SAE O-ring Straight Thread 3/4 - 16 UNF 65
DT-500-MSMS-5 5000 Male Seal-Lok 13/16 - 16 UN Male Seal-Lok 5000 5
DT-620-MFMF-5 3500 Male JIC 37 degree 7/8 - 14 UNF Male JIC 37 degree 5000 5
DT-620-MFMO-5 3500 Male JIC 37 degree 7/8 - 14 UNF Male SAE O-ring Straight Thread 5000 5
DT-620-MOMF-5 3500 Male SAE O-ring Straight Thread 7/8 - 14 UNF Male JIC 37 degree 5000 5
DT-620-MOMS-5 5000 Male SAE O-ring Straight Thread 7/8 - 14 UNF Male Seal-Lok 1 - 14 UNS 5
DT-620-MSMO-5 5000 Male Seal-Lok 1 - 14 UNS Male SAE O-ring Straight Thread 5000 5
DT-620-MSMS-5 5000 Male Seal-Lok 1 - 14 UNS Male Seal-Lok 1 - 14 UNS 5
DT-750-MFMF-5 3500 Male JIC 37 degree 1 1/16 - 12 UN Male JIC 37 degree 1 1/16 - 12 UN 5
DT-750-MFMF-65 3500 Male JIC 37 degree 1 1/16 - 12 UN Male JIC 37 degree 1 1/16 - 12 UN 65
DT-750-MFMO-1 3500 Male JIC 37 degree 1 1/16 - 12 UN Male SAE O-ring Straight Thread 1 1/16 - 12 UN 1
DT-750-MFMO-5 3500 Male JIC 37 degree 1 1/16 - 12 UN Male SAE O-ring Straight Thread 1 1/16 - 12 UN 5
DT-750-MFMO-65 3500 Male JIC 37 degree 1 1/16 - 12 UN Male SAE O-ring Straight Thread 1 1/16 - 12 UN 65
DT-750-MOMF-1 3500 Male SAE O-ring Straight Thread 1 1/16 - 12 UN Male JIC 37 degree 1 1/16 - 12 UN 1
DT-750-MOMF-5 3500 Male SAE O-ring Straight Thread 1 1/16 - 12 UN Male JIC 37 degree 1 1/16 - 12 UN 5
DT-750-MOMF-65 3500 Male SAE O-ring Straight Thread 1 1/16 - 12 UN Male JIC 37 degree 1 1/16 - 12 UN 65
DT-750-MOMF-85 3500 Male SAE O-ring Straight Thread 1 1/16 - 12 UN Male JIC 37 degree 1 1/16 - 12 UN 85
DT-750-MOMS-1 5000 Male SAE O-ring Straight Thread 1 1/16 - 12 UN Male Seal-Lok 1 3/16 - 12 UN 1
DT-750-MOMS-20 5000 Male SAE O-ring Straight Thread 1 1/16 - 12 UN Male Seal-Lok 1 3/16 - 12 UN 20
DT-750-MOMS-5 5000 Male SAE O-ring Straight Thread 1 1/16 - 12 UN Male Seal-Lok 1 3/16 - 12 UN 5
DT-750-MOMS-50 5000 Male SAE O-ring Straight Thread 1 1/16 - 12 UN Male Seal-Lok 1 3/16 - 12 UN 50
DT-750-MOMS-65 5000 Male SAE O-ring Straight Thread 1 1/16 - 12 UN Male Seal-Lok 1 3/16 - 12 UN 65
DT-750-MSMO-5 5000 Male Seal-Lok 1 3/16 - 12 UN Male SAE O-ring Straight Thread 1 1/16 - 12 UN 5
DT-750-MSMO-65 5000 Male Seal-Lok 1 3/16 - 12 UN Male SAE O-ring Straight Thread 1 1/16 - 12 UN 65
DT-750-MSMS-5 5000 Male Seal-Lok 1 3/16 - 12 UN Male Seal-Lok 1 3/16 - 12 UN 5
DT-750-MSMS-65 5000 Male Seal-Lok 1 3/16 - 12 UN Male Seal-Lok 1 3/16 - 12 UN 65

 

 
   

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