Menu
Skip to main content
phone.svg 015395 66193email.svg sales@flowjet.co.uk
FacebookTwitterBlogYoutube
All Products
Brands
Machine Repair
Size Charts
Offers
Contact Us
Type to search
Type to search

Shop popular:

NEW Nilfisk Hot Pressure WashersPressure WashersMachine Parts by BrandPumps & SparesPopular High Pressure HosesHose ReelsNozzlesPressure Washer TriggersUnloader ValvesInterpump Service Kits

Free UK mainland delivery on orders over £200 excluding VAT

Speak to an Expert: 015395 66193

Finance Available

Rated 4.8 on Google

Interpump Trapped Pressure Unloader ValvesInterpump Trapped Pressure Unloader Valves
Interpump HM1 Unloader Valve 200 Bar 5-41 Lpm
Interpump HM1 Unloader Valve 200 Bar 5-41 Lpm

Interpump HM1 Unloader Valve 200 Bar 5-41 Lpm

SKU: HM1
exc. vat
inc. vat
Price
£98.31
£117.97
In Stock
Order by 2 PM for next day delivery
  • Get finance on orders over £1000 Learn More
  • Free UK mainland delivery on orders over £200 excluding VAT
  • Bulk discounts available
  • Stock moves quickly. For large or urgent orders, call 015395 66193 to confirm availability.
  • Need assistance? Call 015395 66193

Interpump HM1 trapped pressure unloader valve in brass, rated to 200 bar, 5 to 41 LPM and 85°C water temperature, with a 3/8" BSP female inlet, 3/8" BSP male outlet, 3/8" BSP female bypass and 1/4" BSP male gauge port.

Specification

  • Part number: HM1
  • Brand: Interpump
  • Model: HM1
  • Type: trapped pressure unloader valve
  • Maximum pressure: 200 bar
  • Flow range: 5 to 41 LPM
  • Maximum water temperature: 85°C
  • Construction: brass
  • Inlet: 3/8" BSP female
  • Outlet: 3/8" BSP male
  • Bypass: 3/8" BSP female
  • Gauge port: 1/4" BSP male

    Get 10% Off Your First Order

    Join our trade list for new-stock alerts, clearance deals and expert cleaning tips. View our Privacy Policy. Unsubscribe at any time.

    Flowjet Cleaning Equipment is a family-run

    business dealing in commercial and industrial

    Pressure Washers

    Customer Service
    Contact UsAbout UsOur BrochuresServicing & RepairMachine Collection & Repair ServiceFinance
    Charts and Drawings
    Pressure Washer Nozzle ChartFoam Nozzle Size ChartParts DrawingFAQsDrone Cleaning EquipmentElectric Motor Sizing Guide
    Information
    Delivery & ReturnsTerms & ConditionsPrivacy PolicyCookie Policy
    Address

    Flowjet Cleaning Equipment LTD

    Unit 4, Gatebeck Farm

    Gatebeck, Kendal

    LA8 0HW

    United Kingdom

    015395 66193sales@flowjet.co.uk
    © 2026. Flowjet Cleaning Equipment Ltd. All rights reserved. Company No. 07548943 / VAT No. 946227313Built by Vitara Commerce
    FacebookTwitterBlogYoutube

    PROMO: Get 10% OFF

    Would you like to save 10% on your order today? Enter your email address to receive a discount code!

    By signing up, you agree to receive marketing emails. View our privacy policy and terms of service for more info.