What does the HP designation and 6000 PSI mean on this valve?

HP marks the high-pressure variant of the 761 7601-1 valve family. The 1000-6000 PSI label in the name is the adjustable setting range, with 6000 PSI as the upper end of this version.

Is this an original Baird part?

No. This is an aftermarket replacement valve that interchanges with Baird SKU 761 7601-1-HP. The Baird brand and part number are listed for identification and cross-reference only and do not indicate original-equipment manufacture.

What is a relief valve and what does it do in the pump system?

It is a fluid-end valve part that controls one-way flow and limits system pressure by opening to relieve flow when pressure exceeds its set point, then reseating as pressure drops.

761 7601-1-HP 1000-6000 PSI 1" Liquid Relief Valve

761 7601-1-HP 1000-6000 PSI 1" Liquid Relief Valve — Valve / Valve Part aftermarket replacement part

The 761 7601-1-HP is a 1" liquid relief valve from the Baird 761 7601-1 series, configured for the high-pressure (HP) range with an adjustable setting up to 6000 PSI. As a fluid-end valve part, it regulates one-way flow and protects the pumping system by relieving excess pressure. This aftermarket replacement valve measures about 5.03" wide, 3.05" high and 9.00" deep and weighs about 6 lb.

What it is

This valve part belongs to the fluid-end valve set that controls one-way flow through the pump on the suction and discharge strokes.

Specifications

Property	Value
Pressure	6000 PSI
Weight	6.00 lb (≈ 2.72 kg, converted)
Width	5.03 in / 12.8 cm
Height	3.05 in / 7.8 cm
Depth	9.00 in / 22.9 cm

Manufacturer technical notes

1" Aluminum Bronze Body Low-Pressure Relief Valve 761 7601-1-HP (SKU 761 7601-1-HP), forged from ASTM B148 UNS C95800 aluminum bronze (Al 8.5-9.5%, Cu≥79%), salt spray tested 2000h corrosion-free, API 6A PSL 2 compliant, operating pressure 1000-6000 PSI with white-top stability design.

Verbatim from the Dongli product page on dlhddrilling.com.

Replacement / interchange

Aftermarket replacement cross-referencing Baird 761 7601-1-HP.

FAQ

What does the HP designation and 6000 PSI mean on this valve?: HP marks the high-pressure variant of the 761 7601-1 valve family. The 1000-6000 PSI label in the name is the adjustable setting range, with 6000 PSI as the upper end of this version.
Is this an original Baird part?: No. This is an aftermarket replacement valve that interchanges with Baird SKU 761 7601-1-HP. The Baird brand and part number are listed for identification and cross-reference only and do not indicate original-equipment manufacture.
What is a relief valve and what does it do in the pump system?: It is a fluid-end valve part that controls one-way flow and limits system pressure by opening to relieve flow when pressure exceeds its set point, then reseating as pressure drops.

Related parts

See all Valve / Valve Part →

All brand names, model numbers and part numbers are used for identification and cross-reference only and do not imply original-equipment manufacture. This is an aftermarket replacement part.

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