Our Product Categories
Explore our comprehensive selection of products by starting off with a category that fits your needs.
Valves
High-performance industrial valves built for precision, durability, and optimal flow control in demanding applications.
Custom Hydraulic Fittings
This is a flexible section where you can share anything you want. It could be details or some information about your service two.
Custom Manifolds
Engineered custom hydraulic manifolds designed to streamline systems, reduce leak points, and optimize hydraulic performance.
Steam Valves
Reliable, high-efficiency steam valves for safe, precise control in high-pressure and high-temperature environments.
Precision-Engineered Valves Built to Perform
OUR VALVES
Our valves are designed for durability and efficiency, delivering consistent flow control across industrial, commercial, and specialty systems.
CUSTOM HYDRAULIC FITTINGS
We are your go-to manufacturer for hydraulic fittings and adapters. At Valve Check, we specialize in taking your project from design and prototyping to full production. Our product range includes ferrules, flanges, crimp fittings, swivel fittings, inch compression fittings, flareless fittings, PTFE couplings, conversion adapters, spuds, PIN fittings, O-ring BOSS fittings, and IIC 370 flares, among others. Our advanced manufacturing capabilities include 7-axis machining, Swiss turning, screw machines, molding, lathes, mills, welding, fabricating, brazing, and broaching.
CUSTOM MANIFOLDS
Our precision-engineered manifolds are meticulously crafted to optimize airflow, fuel delivery, and overall engine efficiency, delivering significant gains in horsepower, torque, and throttle response. Each manifold is tailored to your engine’s exact specifications, ensuring a perfect fit and maximum performance enhancement. With rigorous testing and quality control measures in place, you can trust in the reliability and durability of our products. Our expert team is dedicated to providing top-notch customer service and support, guiding you through every step of the process from consultation to installation.
BOYLSTON STEAM VALVES
Boylston Twenty-First Century, a premier name in steam valves since 1888, is now part of Valve Check, Inc.—a Minnesota-based valve manufacturer with 18 years of leadership and over 50 years of combined industry expertise—uniting a legacy of excellence in PRVs with a commitment to innovation and reliability
Figure No. 90
Boylston 21st Century’s Pressure Reducing Valves offer versatile pressure adjustment within a 15 lbs. range, with sizes ranging from 1/2″ to 2″, suitable for various industries including heating, plumbing, marine, and more, featuring extra heavy cast bronze construction for durability and precise control.
Figure No. 205
Boylston 21st Century’s No. 205 Regulator, featuring semi-steel bodies suitable for 250 PSI steam pressure, offers precise regulation for steam and air pressures in high-pressure power plant service, with single-seat construction ensuring tight closure and parabolic main disc design preventing excessive wire-drawing, equipped with stainless steel trim and easily replaceable parts for efficient operation.
Figure No. 390
Boylston 21st Century’s No. 390 Regulating Valve offers precise dead-end regulation for steam, air, or water applications, featuring standard and extra heavy flanged bodies suitable for pressures up to 250 lbs. per square inch, with reduced pressures ranging from 125 lbs. down to 5-10 lbs. per square inch, making it ideal for laundry equipment, cookers, and hot water heaters.