WEH® Check Valve TVR5 CNG for fueling stations, with female thread G3/4" on both sides, 3,600 psi

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Robust construction

Low-noise opening and closing

Corrosion resistant stainless steel

High leak tightness

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WEH® Check Valve TVR5 CNG for fueling stations, with female thread G3/4" on both sides, 3,600 psi

SKU:2967685

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WEH® TVR5 CNG | Check valve with long lifetime for buses and trucks

Designed for high-flow NGV applications, the WEH® Check valves provide uni-directional flow of CNG and can prevent sudden backflow of pressurized natural gas. A large variety of end connections such as female BSP threads and tube fittings is available.

Description

WEH® Check Valve TVR5 CNG for fueling stations, with female thread G3/4" on both sides, 3,600 psi

TVR5 CNG with female thread G3/4” on both sides is the largest of our check valves. It is most efficient and developed specifically for CNG buses and trucks.

The check valve system is designed to minimize the effect of dirt particles on the sealing components within the unit.

The WEH® TVR5 CNG check valve is constructed of corrosion-resistant stainless steel achieving a very durable unit due to its robust internal structure.

Features

Robust construction
Low-noise opening and closing
Corrosion resistant stainless steel
High leak tightness

Technical Data

Nominal bore (DN)	14 mm
Pressure range	PN = 3,600 psi (250 bar) \| PS = 315 bar
Temperature Range	-40 °F up to max. +185 °F
Media inlet	G3/4" female thread, ISO 228-1
Material	Corrosion resistant stainless steel
Sealing material	Natural gas compatible
Part No.	C1-15507-X1-X01

Abbreviation	Definition
Pressure specifications

PN	Nominal pressure	Nominal pressure after temperature compensation at 59 °F
PS	Max. allowable operating pressure	Maximum allowable operating pressure acc. to Pressure Equipment Directive 2014/68/EU, Article 2 paragraph 8
PT	Hydrostatic test pressure	Hydrostatic test pressure acc. to Pressure Equipment Directive 2014/68/EU, Annex I no. 7.4
PP	Pilot pessure	Actuation pressure for hydraulic and pneumatic components
PC	Cracking pressure	Pressure at which the check valve opens and the first indication of flow occurs
WP	Working pressure	'Working pressure' means the maximum pressure to which a component is designed to be subjected to and which is the basis for determining the strength of the component under consideration
MAWP	Max. allowabl working pressure	Max. allowable operating pressure at which the weakest point of the system or the vessel (e.g. cylinder valve) can operate at a certain temperature during normal operation.

Dimensions
L1, L2, L3 ..	Length specification
D1, D2, D3 ..	Diameter specification
A/F(1), A/F(2) ..	Wrench size specification

Ports
A / X	Customer-specific port (test piece, sample, cylinder valve, hand wheel respiratory protective equipment)
B1, B2, B3 ...	Media ports
C1, C2, C3 ...	Gas recirculation ports
P1, P2, P3 ...	Pilot pressure ports
MA1, MA2 ...	Measuring ports
Q	Drain port filter
G	Mounting bores

Others
DN	Nominal size (DN) acc. to Pressure Equipment Directive 2014/68/EU, Article 2 paragraph 11
µm	Max. diameter of the filtered particle
Kv	Is the discharge of water in m³/h at a pressure drop of 1 bar, acc. to DIN/EN 60534-2
Cv	Is the discharge of water in gallons per minute at a pressure drop of 1 psi, acc. to DIN/EN 60534-2
IR	Infrared data interface
ENR	Exchangeable data interface (exchangeable nozzle receiver)
TS	Maximum allowable temperature acc. to Pressure Equipment Directive 2014/68/EU, Article 2 paragraph 9
NC	Normally closed (initial position of shut-off valve)
NO	Normally open (initial position of shut-off valve)

Term	Definition
Temperature range	Is the temperature range in which the WEH^® Product can be used.
Media temperature range	Is the temperature range of the medium used, which can flow through the WEH^® Product (may change depending on the time of measurement).
Ambient temperature range	Is the temperature range of the environment in which the WEH^® Product can be used.
Leak rate	Is the maximum external leak rate, which the WEH^® Product exhibits in delivery condition.
Internal leak rate	The internal leak rate depends, among other things, on type of application, medium and pressure difference on the WEH^® Product. On request it can be specified more precisely.
Max. side load	Is the max. allowable sum of all external forces that may act on the device under intended use.Note:External forces can affect the life time of WEH^® Products and can cause damage. Tensile and transverse loads as well as vibrations and pressure impacts need to be considered, e.g. by user side measures such as on site mountings and similar. Therefore, lateral forces such as whipping hoses or other equipment must be avoided. WEH^® Products should be installed in such a way, that lateral forces which could lead to leakage or damage can not occur.Special applications require a special consultation before selecting the product.
Products with pneumatic actuation	The customer has to ensure there is adequate axial movement when pneumatically actuated WEH® Products are used in automated systems, see maximum side load. Ideally the products should be mounted with a floating joint or introduced individually to prevent the possibly existing clamping jaws getting blocked or jammed in the thread of the test piece.
Sealing material	On request the WEH® Product can be adapted to customer specific applications regarding to the sealing materials used. The clarification of the media compatibility and suitability of the adapted WEH® Product for the final application is always the responsibility of the end user.
Storage / life time of components	There are certain requirements for every WEH® Product. Products are generally products which may be subject to wear and fatigue during operation and depending on your individual application/use. For details - in particular regarding the corresponding minimum inspection and maintenance intervals - please refer to the respective operating instructions for the WEH® Product.

Subject	Definition
Safe product selection	Our WEH® Products are designed to be operated by qualified professional users (insofar as WEH® Products are also designed to be operated by other users in individual cases, this is explicitly stated in the corresponding operating instructions). Please note that WEH does not know your system and therefore - also due to the large number of different potential applications of WEH® Products - cannot perform tests on all potential types of application. You alone are responsible for the selection, configuration and suitability of WEH® Products, especially according to the requirements of your system. Before purchasing WEH® Products, please particularly ensure that our products are compatible with your intended use, your performance data, your material and fluids, your system concept and your system limits according to our product specifications. Please also consider your technical and legal requirements for operation, handling and maintenance. The quality and safety of WEH® Products is our highest priority. For this reason, WEH® Products may not be used outside the specifications in the relevant data sheets and product descriptions. If you are not sure whether the WEH® Product is suitable for your system and intended use, please contact us in advance. We also strongly recommend that you refrain from using third-party spare parts or a combination of WEH® Products with unsuitable third-party products. You alone are responsible for reviewing the suitability of third-party products. WEH® Products and WEH® Spare parts comply with our quality and safety standards.
Explanation on the Pressure Equipment Directive	In general, WEH® Products with a maximum allowable operating pressure of more than 0.5 bar (PS) fall within the scope of application of the Pressure Equipment Directive 2014/68/EU, are generally classified as pressure accessories in accordance with Article 2 (5) of the same and are considered to be similar to piping. These WEH® Products may not be used as safety accessories. Furthermore, it is pointed out, that these WEH® Products are designed and placed on the market in accordance with the requirements of Article 4 (3) of the Pressure Equipment Directive 2014/68/EU. For some products a different classification and/or categorisation is required or can be conducted on request. In these cases, a conformity assessment procedure in accordance with Annex III of the Pressure Equipment Directive 2014/68/EU can and will be conducted (if legally required) and the conformity can be declared by means of an EU Declaration of Conformity in accordance with Annex IV of the Pressure Equipment Directive 2014/68/EU. In these cases, the EU Declaration of Conformity is enclosed with the product.
External change management	WEH reserves the right to update, optimise and adjust its products continuously. This may result in corresponding changes of the product. Customers will be informed proactively or unsolicited by WEH only in individual cases about product updates, product optimisations and/or product adaptations that have been carried out. You are free to contact WEH at any time to request information about any product updates, product optimisations and/or product adjustments.

Type	Pneumatic - NC	Pneumatic - NO	Manual
Shut-off valve
Shut-off valve with venting
Shut-off valve with check valve		-
Shut-off valve with venting and check valve		-

Application

Check valve for fueling stations, also suitable for installation in buses and trucks (ECE approval). Only use check valves with ECE approval for fitment in road legal vehicles.

WEH® Check Valve TVR5 CNG for fueling stations, with female thread G3/4" on both sides, 3,600 psi

Definitions

Technical explanations

Further explanations

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