512

Vac

uum

eje

ctor

s

How to order

Maitenance parts●Silencer

MSS-01 CV-05、CV-10

MSM-01 CV-15

MSL-02 CV-20

MS6-01 CV-25,CV-30A

Note) Consult p.660 for details

●Pressure switch: CV-CK

Note) Consult p.513 for details

Specifications

Standard vacuum ejector

CV CONVUM

●Long life circle

No moving parts, simple construction

●Several sizes

Several nozzle sizes, from low to high vacuum flow

Note : ①②③④ applicable models

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�S R

05H ○ × ○

L ○ × ○

10H ○ ○ ○

L ○ × ○

15H ○ ○ ○

L ○ × ○

20H ○ ○ ○

L ○ × ○

25H ○ × ×

L ○ × ×

30AH ○ × ×

L ○ × ×

φφφφφφ

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Description UnitCV-05 CV-10 CV-15 CV-20 CV-25 CV-30A

HS LS HS LS HR HS LS HR HS LS HR HS LS HS LS

Fluid Non-lubricated air / non-corrosive gas

Ambient temperature ℃ 0 ～ 60 without freezing

Operating pressure range MPa 0.1 ～ 0.6

Nozzle size φmm 0.5 1.0 1.5 2.0 2.5 3.0

Nominal pressure MPa 0.5 0.5 0.35 0.5 0.35 0.5 0.35 0.5 0.5

Vacuum (air) flow R/min(ANR) 6 9 27 36 25 63 95 54 110 165 88 160 250 225 350

Max. vacuum pressure kPa -87 -57 -92 -57 -91 -92 -57 -91 -92 -57 -91 -92 -57 -92 -57

Air consumption R/min(ANR) 13 44 100 180 265 385

Masswithout switch g 80 80 140 350 730 870

with switch g 120 120 190 460 - -

513

CV

Vacuum

ejectors

Pressure switch

Item Unit CK

Fluid Non-lubricated air / Non-corrosive gas

Pressure range kPa -20 ~ -53

Ambient temperature ℃ 0 ~ 60(without freezing)

Accuracy kPa ±5.3

Hysteresis kPa 4.0 ～ 13.3

Operating voltage V less than AC250V less than DC250V

Load current A 3 0.2

Construction

Parts Part name Material1 Supply port Brass2 Body Aluminium 3 Silencer POM, Felt

CV (standard) CV - ※※CK (with pressure switch)

Symbol

514

CV

Vac

uum

eje

ctor

s RR

Performance charts

●CV-□□HS ●CV-05、10、15

●CV-□□LS ●CV-20、25、30A

●CV-□□HR

Maximum vacuum pressure characteristic Air consumption characteristics

515

CV

Vacuum

ejectors

R

R

R

R

RR

R

Vacuum (air) flow - vacuum pressure characteristic Maximum vacuum (air) flow characteristic●CV-05、10HS·05、10LS ●CV-05HS·LS、CV-10HS·HR·LS

●CV-10, 15, 20HR ●CV-15、20HS·HR·LS

●CV-15、20HS·15, 20LS ●CV-25, 30AHS·25, 30ALS

●CV-25, 30AHS·25, 30ALS

516

CV

Vac

uum

eje

ctor

s

CV-□□ Standard (without pressure switch)

CV-□□ Standard (with pressure switch)

CV-05 CV-10 CV-15 CV-20M 36 36 46.5 60.5

Dimensions 　(mm)

Model A B C D E F G H I J K L M N O P Silencer port thread

CV-05 45 33 16 10 8 14 20 4.5 2-φ4.2 Rp1/8 10 Rp1/8 35 φ18.5 14 90 Rp1/8CV-10 45 33 16 10 8 14 20 4.5 2-φ4.2 Rp1/8 10 Rp1/8 35 φ18.5 14 90 Rp1/8CV-15 63 35 20 11 10 20 25 5 2-φ4.5 Rp1/4 15 Rp1/4 45.5 φ20 17 123.5 Rp1/4CV-20 85 40 30 15 13 28 32 7 2-φ6 Rp3/8 20 Rp1/4 60.5 φ30 24 165.5 Rp1/2CV-25 100 60 40 20 16 20 50 5.5 2-φ6 Rp1/2 17 Rp3/8 96 φ40 28 213 Rp3/4

CV-30A 118 60 40 20 20 33 50 5.5 2-φ6 Rp3/4 20 Rp3/4 96 φ40 30 234 Rp3/4

517

Vacuum

ejectorsStandard vacuum ejector

Gas - Chemical proof CV CONVUM(Made to order)

How to order

● Body and nozzle made of stainless

material

SUS303 and SUS316

● For semiconductor equipements,

machines

Suitable for gas, chemical suction

●All PTFE type also available

PTFE material is excellent against chemicals

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φφφ

Note: ①② applicable models

��

S R

H ○ ○

L ○ ×

Note: Specifications and dimensions are the same as of standard CV ejectors.

Note: Silencer is mounted on stainless and PTFE types.