What is the maximum adjustable pressure for the Hydraulic bypass valve, aluminum, FPM type and how do I lock the setting safely?

Hydraulic bypass valve, aluminum, FPM type . the maximum adjustable pressure must not exceed 250 bar (this is the maximum working pressure for the valve body). To lock the setting safely: adjust the pressure using the screw with an Allen key to the desired value, then secure the setting by tightening the locking nut over the adjustment screw. Ensure the set pressure does not go above 250 bar and follow proper safety procedures (depressurize system before adjustment and verify with a gauge).

How do I prevent damage from exceeding the 250 bar limit on the Hydraulic bypass valve, aluminum, FPM type?

To prevent damage from exceeding the 250 bar limit on the Hydraulic bypass valve, aluminum, FPM type: - Never set the adjustment screw above 250 bar. Use an Allen key for adjustment and lock the setting with the locking nut. - Verify the set pressure with a calibrated pressure gauge before full operation. - Implement an external overpressure protection (secondary relief valve or pressure switch) calibrated below or at 250 bar to provide backup protection. - Regularly inspect the valve body and stem for wear/corrosion (aluminum body, galvanized steel stem) and check seals (NBR) for degradation, especially if operating near temperature limits (-20Â°C to +90Â°C). - Train operators on correct adjustment procedure and ensure locknut is secured after setting. - Maintain a routine maintenance and testing schedule to confirm relief operation and prevent drift.

How do I adjust the Hydraulic bypass valve, aluminum, FPM type using an Allen key and secure it with the locking nut?

Hydraulic bypass valve, aluminum, FPM type. adjustment and locking procedure: 1. Ensure system is depressurized and safe to work on. Never adjust under pressure. 2. Locate the adjustment screw on the valve. Use the correct size Allen key to fit the screw snugly. 3. To increase the maximum pressure setting, turn the Allen key clockwise; to decrease, turn counterclockwise. Make small incremental turns and allow system pressure to stabilize between adjustments. 4. Do not set the pressure above 250 bar. this is the maximum working pressure for the valve body. 5. Once the desired pressure is reached, hold the adjustment screw in position with the Allen key and tighten the locking nut firmly against the valve body to prevent movement. 6. Verify the setting by cycling the system and checking pressure. Recheck the locking nut after initial operation. Materials and limits: body. aluminum; stem. galvanized steel; sealing. NBR; operating temperature. -20Â°C to +90Â°C.

Hydraulic bypass valve, aluminum, FPM type

All products, Pressure control valves/

Additional information

Material	AL – aluminum
Standard length [m]	10

The FPM valve limits the maximum pressure in the system. It allows free flow of hydraulic fluid between the P connections. When the pressure exceeds the set value, the T path opens and excess oil drains into the tank. The maximum pressure value is set using a screw (adjustment with an Allen key, locked with a locking nut). Special attention should be paid not to set the pressure value higher than 250 bar (max. working pressure for the valve body). Material: aluminum (body), galvanized steel (stem). Sealing: NBR. Operating temperature: from -20°C to +90°C.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
DC-FPM-40P05-06	FPM relief valve with 3/8" BSP thread, 40 l/min, 5-50 bar	-	250	In stock	Enquiry
DC-FPM-40P05-08	FPM relief valve with 1/2" BSP thread, 40 l/min, 5-50 bar	-	250	In stock	Enquiry
DC-FPM-40P10-06	FPM relief valve with 3/8" BSP thread, 40 l/min, 30-100 bar	-	250	In stock	Enquiry
DC-FPM-40P10-08	FPM relief valve with 1/2" BSP thread, 40 l/min, 30-100 bar	-	250	In stock	Enquiry
DC-FPM-40P20-06	FPM relief valve with 3/8" BSP thread, 40 l/min, 50-220 bar	-	250	In stock	Enquiry
DC-FPM-40P20-08	FPM relief valve with 1/2" BSP thread, 40 l/min, 50-220 bar	-	250	In stock	Enquiry
DC-FPM-70P05-08	FPM relief valve with 1/2" BSP thread, 80 l/min, 5-50 bar	-	250	In stock	Enquiry
DC-FPM-70P05-12	FPM relief valve with 3/4" BSP thread, 80 l/min, 5-50 bar	-	250	In stock	Enquiry
DC-FPM-70P10-08	FPM relief valve with 1/2" BSP thread, 80 l/min, 30-100 bar	-	250	In stock	Enquiry
DC-FPM-70P10-12	FPM relief valve with 3/4" BSP thread, 80 l/min, 30-100 bar	-	250	In stock	Enquiry
DC-FPM-70P20-08	FPM relief valve with 1/2" BSP thread, 80 l/min, 80-250 bar	-	250	In stock	Enquiry
DC-FPM-70P20-12	FPM relief valve with 3/4" BSP thread, 80 l/min, 80-250 bar	-	250	In stock	Enquiry

Do you need a larger quantity of products or a bespoke quote?

Call us: +48 61 653 02 22 or email us: tubes@tubes-international.com

SEND ENQUIRY

The FPM valve limits the maximum pressure in the system. It allows free flow of hydraulic fluid between the P connections. When the pressure exceeds the set value, the T path opens and excess oil drains into the tank. The maximum pressure value is set using a screw (adjustment with an Allen key, locked with a locking nut). Special attention should be paid not to set the pressure value higher than 250 bar (max. working pressure for the valve body). Material: aluminum (body), galvanized steel (stem). Sealing: NBR. Operating temperature: from -20°C to +90°C.