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Threaded plug with ED seal VSTI M26X1.5 hex

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€3.06

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Manufacturer: HYDRON hydraulika siłowa (go to products)

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Threaded plug with ED seal VSTI M26X1.5

Precision VSTI M26x1.5 ED threaded plug with an internal hex socket has been designed for permanent and hermetic closing of ports in advanced power hydraulic systems. This specialized component is perfect for industrial machine bodies, valve blocks, manifolds, and actuators operating in harsh conditions. Thanks to the use of a metric cylindrical thread and an integrated ED-type sealing ring, the element guarantees reliable protection against working fluid leaks under high pressure. The manufacturing standard based on rigorous technical norms ensures full assembly repeatability and long service life of the entire hydraulic unit.

Application and technical characteristics

The VSTI M26x1.5 ED plug is dedicated for operation in stationary and mobile hydraulic systems, where the working mediums are mineral oils, synthetic oils, and water-glycol based fluids. The design is characterized by high resistance to nominal pressures reaching up to 400 bar (40 MPa). The standard ED-type (Eolastic) sealing ring made of NBR nitrile rubber maintains full flexibility and tightness over a wide range of operating temperatures, while optional variants made of FKM fluorocarbon rubber allow for work at elevated temperatures and in contact with aggressive chemical media. The body of the component is manufactured from passivated galvanized steel without harmful chromium Cr(VI), which guarantees high corrosion resistance, meeting strict environmental and industrial standards.

Why choose our components?

By choosing our components, you invest in elements that meet strict ISO and DIN standards, which translates into the reliability of high-pressure installations. Precise thread manufacturing according to the ISO 9974 standard ensures an ideal fit in machine sockets, eliminating the risk of internal thread damage in expensive bodies. The use of a hex socket facilitates application in tight workspaces where traditional tools cannot be used. Additionally, to comprehensively protect the system against contamination and loss of medium, it is worth checking our threaded plugs and caps, choosing appropriate bonded seals or replenishing supplies with reliable individual o-rings, which guarantees full hermeticity of every industrial installation.

Dimensional table and technical parameters

Thread (T1)	Flange diameter D1 (mm)	Length L1 (mm)	Thread length L2 (mm)	Hex socket S1 (mm)	Nominal pressure PN (bar)
M10x1	14.0	12.3	8.0	5	400
M12x1.5	17.0	17.3	12.0	6	400
M14x1.5	19.0	17.3	12.0	6	400
M16x1.5	22.0	17.3	12.0	8	400
M18x1.5	24.0	17.3	12.0	8	400
M20x1.5	26.0	19.3	14.0	10	400
M22x1.5	27.0	19.3	14.0	10	400
M26x1.5	32.0	21.3	16.0	12	400
M27x2	32.0	21.3	16.0	12	400
M33x2	40.0	22.8	16.0	17	400
M42x2	50.0	22.8	16.0	22	315
M48x2	55.0	22.8	16.0	24	315

Frequently Asked Questions (FAQ)

1. What is the maximum working pressure for the VSTI M26x1.5 ED plug?

The VSTI M26x1.5 ED plug is designed to operate at a nominal pressure (PN) of 400 bar (40 MPa), which fully covers the requirements of standard and high-pressure power hydraulic systems.

2. What characterizes the ED-type seal used in this plug?

The ED-type seal (Eolastic) consists of an elastomeric ring with a special cross-section, which undergoes controlled compression in the cylindrical socket during tightening. This ensures excellent static tightness, resistance to vibration, and prevents oil leaks under high pressure.

3. Can the NBR sealing ring be used at elevated temperatures?

The standard NBR nitrile rubber ring is intended for operation in moderate temperature ranges. For installations requiring continuous operation at higher temperatures or with chemical media, it is recommended to use an optional FKM fluorocarbon rubber seal.