WEH® Connector TW03 for NPT thread (ANSI/ASME B1.20.1-1983), NPT 1/2" internal thread, manual actuation, vacuum up to max. 276 bar

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Pressure-tight connections by hand-tightening

Simple seal replacement

Ergonomic design

High-grade materials

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WEH® Connector TW03 for NPT thread (ANSI/ASME B1.20.1-1983), NPT 1/2" internal thread, manual actuation, vacuum up to max. 276 bar

SKU:2952345

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Description

WEH® Connector TW03 for NPT thread (ANSI/ASME B1.20.1-1983), NPT 1/2" internal thread, manual actuation, vacuum up to max. 276 bar

The WEH® Quick Connector TW03 is the perfect tool for pressure and vacuum testing of components with internal thread up to 276 bar max.

Only place the connector into the threaded port and hand-tighten it until the o-ring seal contacts the test piece - the pressure-tight connection is established. The WEH® TW03 seals without wrenches, sealants or tape saving connection time & costs.

The higher the test pressure, the tighter the WEH® Connector will clamp itself into the threaded test piece port. The pressure-assisted piston ensures a pressure-tight connection.

Wear-resistant NBR seals meet most industrial requirements and are very durable. The connector is extremely easy to maintain with simple seal replacement and minimizes down-time.

Features

Pressure-tight connections by hand-tightening
Simple seal replacement
Ergonomic design
High-grade materials

Technical Data

Max. allowable operating pressure PS	Vacuum up to max. 276 bar (4,000 psi)
Temperature range	+5 °C up to +80 °C
Connects to	NPT 1/2" internal thread
Media inlet	G1/2" internal thread
Leak rate	1 x 10^-3 mbar x l/s
Actuation	Hand-tightening
Material	Corrosion resistant stainless steel
Sealing material	NBR
Conformity / Tests / Approvals	PED 2014/68/EU
Part No.	C1-12239

Abbreviation	Definition
Pressure specifications

PN	Nominal pressure	Nominal pressure after temperature compensation at 15 °C
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. WEH® 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

Screw connector for pressure testing / vacuum testing of components with internal thread for the following standard sizes:

NPT thread (ANSI/ASME B1.20.1-1983) | NPT 1/2" internal thread

The TW03 Screw connector is suitable for testing fittings, fixtures, tubes / pipes, boilers, tanks, radiatiors, hydraulic manifolds / hydraulic blocks, turbine housings and automotive components.

TW03 for testing of hydraulic manifolds

Downloads

Document type	Format	Size	Download
Datasheet	PDF	536 KB

WEH® Connector TW03 for NPT thread (ANSI/ASME B1.20.1-1983), NPT 1/2" internal thread, manual actuation, vacuum up to max. 276 bar

Definitions

Technical explanations

Further explanations

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