HAWE RK 2 check valve in stock

Brand

HAWE/Germany

Application Areas

Environmental Protection, Biotechnology, Petroleum, Pharmaceuticals/Biopharmaceuticals, General Industry

HAWE check valves are valves that allow fluid to flow only through the inlet, preventing backflow at the outlet. They are also known as non-return valves or check valves. They are used in hydraulic systems to prevent reverse oil flow or in pneumatic systems to prevent reverse compressed air flow. Check valves are available in straight-through and right-angle types. Straight-through check valves are installed on pipelines using a threaded connection. Right-angle check valves are available in threaded, plate, and flanged connection types.

HAWE Check Valve Introduction:

HAWE Check Valve

HAWE check valves are also known as non-return valves or check valves. They are used in hydraulic systems to prevent reverse oil flow or in pneumatic systems to prevent reverse compressed air flow.

HAWE check valves are available in straight-through and right-angle types. Straight-through check valves are installed on pipelines using a threaded connection. Right-angle check valves are available in three connection types: threaded, plate-mounted, and flanged. Pilot-operated check valves, also known as locking valves or pressure-holding valves, are similar to check valves in that they prevent reverse flow of oil. However, when reverse flow is required in a hydraulic circuit, the control oil pressure can be used to open the check valve, allowing oil to flow in both directions. Pilot-operated check valves use a conical valve core, resulting in good sealing performance. When a closed oil circuit is required, this valve can be used as a one-way lock for the oil circuit, providing pressure holding. Pilot-operated check valves have two leakage methods for the control oil: internal leakage and external leakage. Internal leakage can be used in oil circuits where there is no back pressure at the reverse oil outlet; otherwise, external leakage is required to reduce the control oil pressure.

HAWE Check Valve Precautions

When installing check valves, special attention should be paid to the direction of medium flow. The normal flow direction of the medium should be consistent with the arrow direction indicated on the valve body; otherwise, the normal flow of the medium will be cut off. The foot valve should be installed at the bottom end of the water pump suction pipe.

HAWE Check Valve Precautions When a check valve closes, it generates water hammer pressure in the pipeline, which can severely damage the valve, pipeline, or equipment, especially in large-diameter or high-pressure pipelines. Therefore, those selecting check valves should pay close attention to this.

Check valves are one-way valves designed to prevent backflow of fluid media in various pipelines or equipment.

Check valves are divided into two main categories:

---CRK and CRB type general check valves

---- CRH type hydraulic check valve

The common feature is that the valve component is screwed into a simply manufactured threaded hole. The seal between the inlet and outlet is achieved through precise contact between the sealing edge at the front end of the valve assembly and the stepped shoulder of the threaded bottom hole. The step, such as the shoulder, is formed when drilling the plain steel part.

The bottom hole bevel (118). The bottom hole and sliding bevel used to install the seal do not require reaming.

The external sealing and locking of the screw-in valve are achieved using a sealing nut with a threaded seal and an O-ring.

When opened in reverse using hydraulic depressurization, the entire flow section of the valve port opens rapidly. To avoid potential pressure relief shocks during intermittent opening under high pressure, the diameter of the control oil passage on the cartridge body should be made as small as possible to create a throttling characteristic. The valve of specification 3 has a throttling point on the z-channel.

For high-pressure, high-flow-rate loads, specification 3 offers a pre-depressurization design. During depressurization, a small check valve opens before the main valve, allowing the load pressure to be gradually and impactfully released through this smaller flow cross-section. The additional throttling in the control channel enhances the effectiveness of pre-depressurization.

2. Product Specifications and Main Technical Data

Ordering Example; CRK1

CRH2

CRH3V

Type B Check Valve

Pressure Pmax=500bar

Flow Rate Qmax=160 L/min

1. Overview

A check valve allows fluid to flow in one direction and stops it in the opposite direction (DIN ISO 1219-1).

2. Product Types and Main Parameters: Pressure, Flow Rate

Code and Main Parameters

B1-1 B2-1 B3-1 500 15

B1-1 B2-2 B3-2 20

B1-3 B2-3 B3-3 30

B1-4 B2-4 B3-4 45

B1-5 B2-5 B3-5 75

B1-6 B2-6 B3-6 120

B1-7 B2-7 B3-7 160

HAWE Check Valve

Proportional Valve Amplifier

Proportional Relief Valve PMVP 4-42/G 24, PMVP 65-42/G 24, PMV62-41/G24, PMVP 4-42/G 24, PMVP 4-44/G 24, PMVP 5-43/G 24, PMVP 6-44/G 24, PMVP 65-42/G 24, PMVP4-41/24, PMVP4-41/G24, PMVP452-42/G24ex

Filling valve F 63-30, F125-60, F160-76

Check valve B 1-1, B 1-2, B 1-3, B 2-1, B 2-2, B 2-3, B2-4, B2-5, B 2-6-PYD, B 2-7, B 2-7-PYD, B 3-1, B 3-2, B 3-3, B 3-4, B 3-5, B3-5, ER 21, F 63, ER 21, PK 1, RB 2, RB 4 G-PYD, RK 2, PK 47, RB 14, RB 2, RB 2, RB 28, RB 32, RB 4 G-PYD, RB 47, RK 1, RK 2, RK 3, RK 4 E, RK 47, RH 1, RD 11, CAV 1 R, RD 41, RD11K

Solenoid valves: msd4 p55 24vdc 1Adc, NBMD 16.Z/B 1.0 EM21 S/30.GM24, NBMD 16-Y/B 0.9R EM21 V/15-G24

Solenoid directional valves: NBVP16-Y/R/7-GM24, NSWP2W/M/R/07-G24

Solenoid ball valves: EM42V-L24, NGR 2-1-N 24, NGR 2-1R-N 24, NGR 2-1-N 24, NGR 2-1R-N 24

Solenoid pressure valve DV 3 GHR-WN 1 F-G 24 (pipe type only), DV 3 GHR-WN 1 F-G 24

Speed ​​control valve SD 2-3/6, SD 2-3/6, SF 2-3/15, SF 2-3/15, SHE 3-2/10 F P-G 24, SHE 3-2/10 F P-G 24

Valve DRH 3, DRH 5, G 21-1, G 21-1-G 24-HFA, G 21-2-G 24, G 3-2-G 24, G 21-1 B0.6-G24

G 3-1R, G 3-1R-G24, G-3-3-B-G24, GR 2-1, GR 2-1 R-A 24, GR 2-1-3/8-G 24, GR 2-1-3/8-G 24-HFA, GR 2-1-G 24, GR 2-1-G 24-HFA, GR 2-1-G 98, GR 2-2-G 24, GR 2-1-HFA MSM GHAB040L20D04, GR 2-2-G24, GR-2-3-B-G24, GR-2-4-B-G24, GS 2-1-G 24, GS 2-3-G 24

, GS 2-4-G 24, GS2-2-G24, GZ 3-1 R-G 100, GZ 3-1 R-G 110, GZ 3-1-G 24, GZ 3-2-G 24

,GZ 3-1R, GZ 3-OR-G24, GZ 4-1 G24 HKF 44/IM-H6.0 HZ 3-1G 3-1MV 41 FSG 3 W-ME 23/24MVX64C-266

Check valves RB 1 F, RB 2, RB 3, RB 32, RB4, RD 31 K, RD4, RH2, RHC4V, RK 32, RK2, RK3

Flow divider/combiner valves: TQ21-A1.6, TQ22-A23, TQ43-A4, TQ32-A3, 5, TQ43-A5, TQ22-Q2.3

Valve TZ 3-1, TQ 32 R-B 23TQ32-A3TQ5P-5.5 DN16TQ33A1.6

Clamping Cylinder HSE 16-8

Valve Assembly AS 1/130-SWR 2 F-DD-1-X 24, NBMD 16 Y/B 0.9R/2/EM 31 V/15-GM 24, NBMD 16 Z/B 10/2/EM 21 S/30-GM 24, SWS 2 A 5-G /M /0 /2 AL 4 D 70-G /M /0 /2 AL 4 D 100 -D /M /0 /2 RH -D /M /0 /2 RH -D /M /0 /2 RH-1-G 24, SWS 2 A 5- G /M /0 /2 AL 4 D 70 -G /M /0 /2 AL 4 D 100 -D /M /0 /2 RH-D /M /0 /2 RH -D /M /0 /2 RH-1-G 24, SWS 2 A 5-

HAWE Check Valve