What is the adjustable pressure range and max operating pressure of the Pressure Limiting Bypass Valve with BSP Thread, VMP Type?

Pressure Limiting Bypass Valve with BSP Thread, VMP Type — the adjustable opening pressure is set via an Allen-key screw (secured with a locking nut); the product description states the valve is adjustable over a wide range and is designed to operate up to a maximum pressure of 300 bar.

Pressure Limiting Bypass Valve with BSP Thread, VMP Type

Q: How do I connect a pressure gauge to the Pressure Limiting Bypass Valve with BSP Thread, VMP Type, and what size thread is required?

To connect a pressure gauge to the Pressure Limiting Bypass Valve with BSP Thread, VMP Type, use the dedicated gauge port: GW 1/4" BSP. Fit a pressure gauge with a 1/4" BSP (British Standard Pipe) male thread, ensuring compatible sealing (PTFE tape or an appropriate sealant) and that the gauge’s pressure range covers up to 300 bar. Tighten securely but avoid over-torquing to protect threads and the valve’s NBR sealing. If needed, use a suitable adapter from BSP to another thread standard, ensuring the adapter is rated for the system pressure and compatible with hydraulic oil and temperature range (-20°C to +90°C).

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Additional information

Material	CS – steel (cast iron)

The VMP relief valve is a robust and reliable solution designed to control and protect hydraulic systems by limiting maximum oil pressure. It ensures unrestricted fluid flow between the P connections, while automatically opening the T path to safely discharge excess oil into the tank once the preset pressure is exceeded. The opening pressure can be precisely adjusted with an Allen key via a screw mechanism, secured with a locking nut for stable operation. For easy monitoring, the valve features a pressure gauge connection (GW 1/4″ BSP) and convenient mounting holes for straightforward installation. Manufactured from high-quality galvanized steel, both the body and valve guarantee durability and resistance to demanding working conditions. NBR sealing ensures reliable tightness, while the valve operates efficiently under pressures up to 300 bar and within a wide temperature range from -20°C to +90°C, making it an excellent choice for diverse industrial applications requiring safety, efficiency, and long-lasting performance.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
DC-VMP-50-06	VMP relief valve with 3/8" BSP thread, 45 l/min, 50-250 bar	-	300	In stock	Enquiry
DC-VMP-50-08	VMP relief valve with 1/2" BSP thread, 70 l/min, 50-250 bar	-	300	In stock	Enquiry
DC-VMP-50-12	VMP relief valve with 3/4" BSP thread, 90 l/min, 50-250 bar	-	300	In stock	Enquiry
DC-VMP-80-06	VMP relief valve with 3/8" BSP thread, 45 l/min, 80-300 bar	-	300	In stock	Enquiry
DC-VMP-80-08	VMP relief valve with 1/2" BSP thread, 70 l/min, 80-300 bar	-	300	In stock	Enquiry
DC-VMP-80-12	VMP relief valve with 3/4" BSP thread, 90 l/min, 80-300 bar	-	300	In stock	Enquiry

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The VMP relief valve is a robust and reliable solution designed to control and protect hydraulic systems by limiting maximum oil pressure. It ensures unrestricted fluid flow between the P connections, while automatically opening the T path to safely discharge excess oil into the tank once the preset pressure is exceeded. The opening pressure can be precisely adjusted with an Allen key via a screw mechanism, secured with a locking nut for stable operation. For easy monitoring, the valve features a pressure gauge connection (GW 1/4″ BSP) and convenient mounting holes for straightforward installation. Manufactured from high-quality galvanized steel, both the body and valve guarantee durability and resistance to demanding working conditions. NBR sealing ensures reliable tightness, while the valve operates efficiently under pressures up to 300 bar and within a wide temperature range from -20°C to +90°C, making it an excellent choice for diverse industrial applications requiring safety, efficiency, and long-lasting performance.