Parts

Ref

 

 

 

 

Ref

 

 

 

No.

Part No.

Description

Qty.

No.

Part No.

Description

Qty.

1

101682

SCREW, soc hd cap; 1/4–20 x 5/8

 

6

17

171194

CAP, regulator

1

2

101754

PLUG, pipe; hex soc; 3/8 npt

 

1

19

162485

ADAPTER; 3/8 npt x 3/8 npsm

1

3

101971

RACE, thrust; adjusting nut

 

1

20

164863

SCREW, adjusting

1

4

101972

BEARING, needle thrust

 

1

21*

164864

PLATE, diaphragm

1

5*

187875

GAUGE, fluid pressure; 0–30 psi

 

 

22*

171198

GASKET, acetal

1

 

 

(0–2 bar) (Model 204500 only)

 

1

25

204522

KEY, regulating (removable)

1

 

101180

GAUGE, fluid pressure; 0–200 psi

 

 

26*

204523

SEAT, valve (Models 203831 &

 

 

 

(0–13 bar) (Model 204501 only)

 

1

 

 

204501 only)

1

 

101176

GAUGE, fluid pressure; 0–60 psi

 

 

 

206523

SEAT, valve (Model 204500 only)

1

 

 

(0–4 bar) (Models 205425 &

 

 

 

212030

SEAT, valve (Model 205425 only)

1

 

 

203831 only)

 

1

27*

206920

STEM, valve (Model 204500 only)

1

7*

150670

GASKET, copper

 

1

 

204524

STEM, valve (Models 204501 &

 

9*

157277

SEAL, o-ring; thiokol

 

1

 

 

203831 only)

1

10

160741

NUT, lock; diaphragm

 

1

 

205183

STEM, valve (Model 205425 only)

1

11

160745

TUBE, gauge mounting

 

1

28*

206921

HANGER, diaphragm

1

12

161349

NUT, spring adjusting

 

1

29

153996

SPRING, helical compression (Model

13

161351

SPRING, flat compression (Models

 

 

 

 

204500 only)

1

 

 

203831 & 205425 only)

 

1

30

166618

CAP, spring (Model 204500 only)

1

 

166617

SPRING, helical compression (Model

 

31*

172193

DIAPHRAGM

1

 

 

204500 only)

 

1

32*

171912

GASKET; cellulose fiber

1

 

160034

SPRING, helical compression (Model

 

33*

171913

GASKET; cellulose fiber

1

 

 

204501 only)

 

1

34

171193

WASHER, plain

1

14

161889

UNION 45_ swivel; 3/8 npt(m) x

 

 

* Recommended “tool box” spare parts. Keep on hand to

 

 

3/8 npsm(f)

 

1

 

reduce down time.

 

15

161357

BUSHING, fluid outlet

 

1

 

 

 

 

16

161358

BODY, regulator

 

1

 

 

 

 

Dimensions

5.5” (140 mm)

Model 204500: 11.25” (285.8 mm)

Models 203831,

204501, & 205425 9.75” (247.7 mm)

Weight:

Model 204500: 4 lb (1.7 kg)

Model 203831: 5 lb (2.3 kg)

Model 204501: 5 lb (2.3 kg)

Model 205425: 5 lb (2.3 kg)

.62” (15.8 mm)

3/8 NPSM (M) OUTLET

3/8 NPSM (F) INLET

Fig. 5

306563 11

Page 10 Page 12
Page 11
Image 11
Graco 203831, 204500, 204501 important safety instructions Dimensions, Description Qty
Page 10 Page 12

204500, 204501, 203831 specifications

Graco is renowned for its expertise in manufacturing reliable and innovative products for various applications, particularly in the fields of paint sprayers and fluid management systems. Three notable products that stand out in their lineup are the Graco 203831, 204501, and 204500. Each model has unique features and characteristics that cater to different user needs and preferences.

The Graco 203831 is specifically designed for users who require a robust and portable sprayer capable of handling multiple painting surfaces. This model features the ProSpray technology, which ensures a fine finish with minimal overspray, making it perfect for detailed work. The 203831 is equipped with a powerful electric motor that delivers consistent pressure, enabling faster and more efficient painting. Its lightweight design enhances mobility, promoting ease of use for both professionals and DIY enthusiasts. Additionally, this model includes adjustable pressure settings, allowing users to tailor the paint flow to suit different materials and project requirements.

In contrast, the Graco 204501 focuses on enhanced productivity and versatility. This airless sprayer is ideal for larger projects where time efficiency is crucial. It features adjustable spray patterns, which enable users to switch from wide to narrow patterns with ease. The 204501 also comes equipped with a high-capacity paint bucket, allowing for extended operation without frequent refills. As with the 203831, it employs advanced ProConnect technology that facilitates easy repairs and maintenance, ensuring that users can quickly get back to work with minimal downtime.

Finally, the Graco 204500 is a powerhouse meant for industrial applications. This model boasts an impressive flow rate, allowing it to tackle heavy-duty tasks with ease. Its robust build and durability make it suitable for continuous use in demanding environments. The 204500 incorporates cutting-edge FastRx technology, which aids in quick material priming and recovery, thereby reducing material waste. Additionally, this unit allows for remote control operation, providing greater flexibility and convenience during use.

In summary, Graco's 203831, 204501, and 204500 represent a fusion of technological innovation and user-centric features. Each model caters to specific needs, whether it’s portability, versatility for larger jobs, or industrial strength. With Graco, users can expect reliable performance and exceptional finish quality in their painting endeavors.
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