Create Site
Book a Demo

Demo Sites

B2B e-Commerce Demo B2B e-Commerce Demo Catalog Demo Catalog Demo

Put Yodify's e-commerce features to work. Build out customized pricing schemes, organize your catalog by client, and create a B2B, B2C and/or Retail solution to sell to your customers, distributors and so much more all from the same site.

Automate daily tasks via Yodify's API to transform your site into a self-managed sales-driver.

Even a simple catalog without inventory or pricing creates a centralized, professional and branded hub for your sales teams and customers to reference and utilize to build quotes, hammer out details and close faster.

Save your team time, and jumpstart sales by providing a clear, concise and accurate starting point with listed MPNs or configured model numbers.

Financial Services Providers
Create Free Partner Portal Now
Book Partner Orientation
Yodify Product Library
Instantly add the Model 85D Multi-Stage Positive Bias Relay and 50,000+ more product series to your store or catalog  
Book Your Demo and See How
or create your store
Fairchild Multi-Stage Biasing Relay, Model 85D

Model 85D Multi-Stage Positive Bias Relay

Brand: Fairchild Industrial Products
Add Product to My Catalog

The Rotork Fairchild Model 85D Multi-Stage Biasing Relay is a precision control combining the sensitivity of a precision pressure regulator with positive biasing capability. 

This compact, pilot-operated device offers unusually high output capacity with minimal air consumption, while providing excellent protection against supply or output pressure variations.

The versatile Model 85D is recommended for use in systems requiring precision pressure maintenance and instrument biasing, in dead end service and instrument panel supply applications.

The basic mathematical expression for the Fairchild Model 85D is PO = PS + K where PO is output pressure, PS is signal pressure and K is the spring constant.
Features
  • Two Stage Pilot Operation
  • 14 SCFM flow capacity in a small size unit
  • Low air consumption
  • Compact size
  • Available in 1/8", 1/4" and 3/8" standard port sizes

View_Details

Specifications

Brand

Air Consumption

  • < 0.1 scfm (0.17 m³/hour)

Ambient Temperature Range

  • -40° to 93.3° C (-40° to 200° F)

BSP Connection

  • 1/4” BSPT Female
  • 1/8” BSPT Female
  • 3/8” BSPT Female

Diaphragm Material

  • Buna-N & Dacron

Enclosure, Body Material

  • Aluminum

Exhaust Capacity - Relieving Units Only

  • 2.5 scfm (4.25 m³/hour) where Downstream Pressure is 5 psig (bar: 0.35, kPa: 35) Above Set Point

Exhaust Port

  • Tapped Exhaust

Flow Capacity

  • 14 scfm (23.8 m³/hour)

Mounting

  • Bonnet Mounting

NPT Connection

  • 1/4” NPT Female
  • 1/8” NPT Female
  • 3/8” NPT Female

Pressure Range

  • bar: 0 to 7
  • kPa: 0 to 700
  • psig: 0 to 100

Signal or Output Pressure - Maximum

  • psig: 150 (kPa: 1,000, bar: 10)

Standard Features

  • Tamper-Proof

Supply Pressure

  • psig: 150 (kPa: 1,000, bar: 10) Recommended Operating Supply Pressure

Supply Pressure - Maximum

  • bar: 17.5
  • kPa: 1,750
  • psig: 250

Supply Pressure Effect

  • Less than psig: 0.2 (bar: 0.0014, kPa: 1.4) for psig: 100 (bar: 7, kPa: 700) Change in Supply Pressure

Trim Material

  • Aluminum
  • Brass
  • Stainless Steel

Documentation

Data Sheets

Installation Instructions

Instantly populate your store or catalog 
CREATE YOUR SITE
or book a demo with the Yodify Team
show more