TA STAD Series User Manual

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STAD (NPT threads), STAS (soldering) 5-5-12
Balancing valves 2002.04
Draining optional
Valves with draining for 3/4” NPS hose connection.
Valves without draining have a sleeve. This sleeve can
temporarily be removed and a draining kit be fitted, which is
available as an accessory.
Measuring points
The measuring points are self-sealed. Remove the cap and
insert the probe through the seal.
Application:
Heating- and cooling systems.
Tap water systems.
Functions:
Balancing
Pre-setting
Measuring
Shut-off
Draining (optional)
Pressure class:
PN 20
Temperature:
Max. working temperature: 250°F
Min. working temperature: -4°F
Material:
The valves are made of AMETAL
®
.
Seat seal: EPDM O-ring
Spindle seal: EPDM O-ring
Handwheel: Polyamide
AMETAL
®
is the dezincification resistant alloy of TA.
Marking:
Body: PN 20/150, DN and inch size.
Handwheel: Valve type and size.
General
Technical description

TA STAD Series Specifications

General

Brand	TA
Model	STAD Series
Category	Control Unit
Language	English

Summary

General Information

Draining Optional

Valves with or without draining connection for 3/4" NPS hose.

Measuring Points

Self-sealed measuring points for probe insertion.

Technical Description

Application

Suitable for heating, cooling, and tap water systems.

Functions

Balancing, pre-setting, measuring, and shut-off capabilities.

Pressure Class

Specifies the valve's pressure rating as PN 20.

Temperature Limits

Details maximum working temperature of 250°F and minimum of -4°F.

Material Composition

Valves made of AMETAL®, with EPDM seals and polyamide handwheel.

Marking Information

Identifies body markings (PN, DN, inch) and handwheel markings (type, size).

Valve Setting and Accuracy

Setting Procedure

Step-by-step guide for setting valve pressure drop using an Allen key.

Checking Valve Setting

Method to verify the set value by closing and opening the valve.

Flow Deviation Analysis

Explains flow deviation at different settings and pipe fittings.

Correction Factors

Guidance on adjusting flow calculations for viscosity and temperature variations.

Sizing and Support Materials

Cv Value Calculation

Formulas for calculating Cv values based on flow and pressure drop.

Cv Values Table

Reference table of Cv values for various valve sizes and settings.

Software Tools

Introduces TA Select software for valve selection.

Measuring Instruments

Recommends TA-CBI electronic instrument for flow rate measurement.

Conversion Aids

Mentions conversion disc for flow, pressure, and setting calculations.

Related Manuals

Lists manuals for hydronic balancing methods.

Accessories

Measuring Point

Details of the measuring point accessory.

Measuring Point Extension

Information on the extension for measuring points.

Handwheel Assembly

Complete handwheel replacement part.

Draining Kit

Accessory for adding draining functionality to valves.

Size Plate

Replacement size plate for the handwheel.

Identification Tag

Tag for labeling valve settings and flow data.

Allen Keys

Specific Allen key sizes for valve adjustment and draining.