YSB3351L Single Flange Differential Pressure Transmitter

Single Flange Differential Pressure Transmitter YSB3351L

The Single Flange Differential Pressure Transmitter YSB3351L is designed for process industry applications, capable of measuring pressure and differential pressure of liquids, steam, and gases. Featuring advanced fully isolated intelligent conversion and digital compensation technology, it delivers exceptional noise immunity and high measurement accuracy. Its measurement range meets nearly all operating condition requirements. An extensive selection of wetted materials—including SUS316L, Hastelloy, Monel, and Tantalum—is available for user customization. The diaphragm can be configured as gold-plated stainless steel, ensuring compatibility with virtually all media types.

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Detail

Range	0~10kPa、0~100kPa、0~500kPa、0~7MPa(Optional)
Measurement Type	Gauge Pressure, Absolute Pressure
Ingress Protection	IP65, IP66, IP67
Accuracy	±0.075%, ±0.2%, ±0.5%
Diaphragm Material	316L Stainless Steel, Hastelloy, Ta(Optional)
Housing Material	Polyurethane Baking Paint-Coated Cast Aluminum Alloy
Suitable Media	Liquid, Gas, Steam
Turndown Ratio	100:1
Media Temperature	-40℃ ~ 120℃
Ex-protected design	Ex d ⅡC T4~T6 Gd、Ex ia ⅡC T6 Ga
Output Signal	4~20mA, 4~20mA+HART
Process Connection	Direct Connectioned: M20×1.5 External Thread or 1/2NPT External Thread. Pipe Connectioned: 1/2NPT Internal Thread.
Electrical Interface	M20×1.5 Internal Thread or 1/2NPT Internal Thread Two connection port
Power Supply	24VDC±10%
Ambient Temperature	-30~80℃(Including LCD Display Unit), -40~85℃(Requires Protective Measures Below This Threshold)
Ambient Humidity	5~100%RH@40℃
Instrument Stability	15 years±0.2%URL
Mounting Bracket	304 Stainless Steel Horizontal Bracket or Vertical Bracket (Optional)

Technical Parameters

DN	d₁	D		D₁	D₂	d	Screw Hole			Insertion Flange Insertion Dept			Theoretical Weight of Flange
DN	d₁	Machine Std.	National Std.	D₁	D₂	d	Diameter	Quantity	Screw	Insertion Flange Insertion Dept			Theoretical Weight of Flange
50	61	155	165	125	95	20	18	4	M16	50	100	150	2.56Kg
80	78	195	200	160	127	20	18	8	M16	50	100	150	5.00Kg
100	96	230	235	190	156	24	22	8	M20	50	100	150	7.62Kg

Note: Other flange specifications, insertion depth, and implementation standards can be customized according to user requirements.

Single Flange Differential Pressure Transmitter Selection

Model Coding:

Type

Specification Code

Instructions

YSB3351L-

□

Single Flange Differential Pressure Transmitter

Product Type

Single Remote Seal, Flat Diaphragm

Single Remote Seal, Convex Diaphragm

Dual Remote Seal, Flat Diaphragm

Dual Remote Seal, Convex Diaphragm

Combination Remote Seals (Flat + Convex)

Flange Size

1-inch (DN40)

2-inch (DN50)

3-inch (DN80)

4-inch (DN100)

Customizable

Diaphragm Protrusion Length

0 mm

50 mm

100 mm

150 mm

200 mm

Output Signal

4~20 mA

4~20 mA + HART

Capillary Length

Direct digital representation (e.g., 05 = 5m), specified capillary length from 1~12m.

Wetted Parts Material

Diaphragm

Related Connectors

SUS316L

SUS316

Hastelloy C-276

Monel

Gold Plated

SUS316

Low Pressure Side Piping Connection

Flange Direct Mount

With 1/2 NPT Internal Thread

Electrical Interface

M20×1.5 Internal Thread Two connection port

1/2~14NPT Internal Thread Two connection port

Display Unit

No Display Unit

LCD Digital Display Unit

Bracket installation method

Horizontal Bracket

Vertical Bracket

Ex-protected design

Intrinsic Safety (Ex ia ⅡC T6 Ga)

Flameproof Enclosures (Ex d ⅡC T4~T6 Gd)

Accuracy, Range, Range, Implementation Standard

Fill in directly

Additional Options

Special requirements can be agreed upon

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