Soft wash mixer check valve with bleach resistant upgraded springs that work better than stainless springs 

These 685 and 687 Series Polypropylene Check Valves with FKM Seals can be used for a wide range of air and fluid applications.

Soft Wash Check Valve with FKM Seals, 1/3 PSI Cracking Pressure & Hastelloy Spring

• Polypropylene
• FKM Seals
• Hastelloy Spring
• High Flow Rate
• Seat Area Open Diameter: 0.438"
• Positive seal at very low back pressure or slight vacuum
• Cracking Pressure: 1/3 PSI
• Check Mechanism: 1/2" O-Ring poppet, 3/4" Disc Poppet
• Maximum Pressure: 125 psi
• Maximum Temperature: 140°F

About Expert Power Wash

Expert Power Wash is built and operated by Tim and Kristina — a team passionate about giving
pressure washing professionals the best equipment available. Every skid is hand-built in Oregon City, OR, with a focus on quality, reliability, and ease of use in the field.

Our goal is to source 95% of the parts we use from the USA. We distribute across 24 states, Canada, and overseas — backing every unit with a lifetime warranty and personal customer support. We don't just sell equipment; we help you build a successful business with hands-on training and ongoing guidance

Shipping & Pickup

We recommend in-person pickup in Oregon City, OR — this includes a free 2-hour
hands-on training session so you leave confident operating your skid. Transport
shipping is also available and coordinated directly with you.